Task run 400887 Task: weekly-deep-research - Weekly Deep Research (topic-cycling) Status: completed Started: 2026-06-10T05:06:55.821979+02:00 Finished: 2026-06-10T05:28:00.238541+02:00 Duration: 1264.416293s Log path: /home/lucienne/workspace/logs/task-runs/weekly-deep-research/400887.log --- output --- run_id=400887 task_id=weekly-deep-research status=completed logged_at=2026-06-10T05:28:00.238442+02:00 truncated=false [pick] fleet-watch (Narrowbody fleet watch) angle#0 [pick] description: This week's lead angle: 737 MAX A320neo delivery delay backlog in the last 3 months. Also cover: CFM LEAP engine production durability fix in the last 3 months; Pratt Whitney GTF powder metal inspection groundings in the last 3 months; spare engine shortage lease rate narrowbody in the last 3 months. Framing — for a SA low-cost airline running a 737/A320 fleet — what does this mean for delivery slots, engine availability (LEAP/GTF), spare-engine cost, MRO turnaround, lease rates and effective capacity? Quantify AOG and cost impact where sources give numbers.. Emphasise developments and analysis from the last 3 months and bring a fresh angle distinct from a generic overview. [pipeline] /usr/bin/python3 /home/lucienne/.claude/skills/research-brief/scripts/run_research.py Narrowbody fleet watch --description This week's lead angle: 737 MAX A320neo delivery delay backlog in the last 3 months. Also cover: CFM LEAP engine production durability fix in the last 3 months; Pratt Whitney GTF powder metal inspection groundings in the last 3 months; spare engine shortage lease rate narrowbody in the last 3 months. Framing — for a SA low-cost airline running a 737/A320 fleet — what does this mean for delivery slots, engine availability (LEAP/GTF), spare-engine cost, MRO turnaround, lease rates and effective capacity? Quantify AOG and cost impact where sources give numbers.. Emphasise developments and analysis from the last 3 months and bring a fresh angle distinct from a generic overview. --max-gap-rounds 1 ============================================================ Research Pipeline: Narrowbody fleet watch Description: This week's lead angle: 737 MAX A320neo delivery delay backlog in the last 3 months. Also cover: CFM LEAP engine production durability fix in the last 3 months; Pratt Whitney GTF powder metal inspection groundings in the last 3 months; spare engine shortage lease rate narrowbody in the last 3 months. Framing — for a SA low-cost airline running a 737/A320 fleet — what does this mean for delivery slots, engine availability (LEAP/GTF), spare-engine cost, MRO turnaround, lease rates and effective capacity? Quantify AOG and cost impact where sources give numbers.. Emphasise developments and analysis from the last 3 months and bring a fresh angle distinct from a generic overview. Gap rounds: 1, Audio: yes ============================================================ [Phase 1] Parse & Seed Slug: narrowbody-fleet-watch Seed file: /tmp/research-narrowbody-fleet-watch-seed.md [Phase 2] Initial source search (DDG + Brave) Searching: Narrowbody fleet watch Brave: 6 results DDG: 6 results Searching: Narrowbody fleet watch This week's lead angle: 737 MAX A320neo delivery delay backlog in the last 3 months. Also cover: CFM LEAP engine production durability fix in the last 3 months; Pratt Whitney GTF powder metal inspection groundings in the last 3 months; spare engine shortage lease rate narrowbody in the last 3 months. Framing — for a SA low-cost airline running a 737/A320 fleet — what does this mean for delivery slots Brave: 0 results DDG: 6 results Searching: Narrowbody fleet watch analysis expert opinion 2025 2026 Brave: 6 results DDG: 6 results Total unique URLs: 12 Forecast number of narrowbody aircraft in global fleet 2022- — https://www.statista.com/statistics/410857/projected-number-of-narrowbody-aircra Narrowbody | Simple Flying — https://simpleflying.com/tag/narrowbody/ Narrowbody freighter fleet - Cargo Facts — https://cargofacts.com/narrowbody-freighter-fleet/ This Airline Has The World’s Largest Narrowbody Fleet In 202 — https://simpleflying.com/worlds-largest-narrowbody-fleet-2025/ Narrowbody fleet analysis: a changing of the guard - Cargo F — https://cargofacts.com/allposts/business/freighter-fleet-analysis/narrowbody/nar ... and 7 more [Phase 3] Create NotebookLM notebook + add sources Notebook created: 8f1c38a9-a390-4530-8691-85964eef9cdd Adding seed file... Validated URLs: 12/12 alive (0 dead) Adding 12 URLs... Sources added: 10 ok, 2 failed [Phase 4] Run NBLM Deep Research (report generation) Generating report (this may take several minutes)... Downloading report... Report downloaded: 9916 chars [Phase 5] Gap Analysis (round 1/1) Analyzing report for gaps... Found 5 gap queries: - COMAC C919 production ramp order backlog and deliveries 2025 2026 - Southwest Ryanair Wizz Air low-cost carrier narrowbody fleet size 737 A320 2025 - Pratt Whitney GTF powder metal A320neo groundings number of aircraft AOG 2025 2026 - CFM RISE open fan next-generation narrowbody engine SAF sustainability roadmap - narrowbody aircraft lease rates and current market values A320neo 737 MAX 2025 2026 [Phase 6] Fill gaps (round 1/1) Gap search: COMAC C919 production ramp order backlog and deliveries 2025 2026 DDG: 6 results Brave: 6 results Gap search: Southwest Ryanair Wizz Air low-cost carrier narrowbody fleet size 737 A320 2025 Brave: 6 results DDG: 6 results Gap search: Pratt Whitney GTF powder metal A320neo groundings number of aircraft AOG 2025 2026 Brave: 6 results DDG: 6 results Gap search: CFM RISE open fan next-generation narrowbody engine SAF sustainability roadmap Brave: 6 results DDG: 6 results Gap search: narrowbody aircraft lease rates and current market values A320neo 737 MAX 2025 2026 Brave: 6 results DDG: 6 results Validated URLs: 9/10 alive (1 dead) DEAD: https://min.news/en/tech/7e940b23bc41f9f3e34d771d893c37c2.html Adding 9 new URLs to notebook... [Phase 7] Generate final artifacts Transcript saved: /home/lucienne/workspace/audio-library/research/2026-06-10-narrowbody-fleet-watch.txt Generating audio (this may take several minutes)... Downloading audio... Audio saved: /home/lucienne/workspace/audio-library/research/2026-06-10-narrowbody-fleet-watch.mp3 Metadata saved: /home/lucienne/workspace/audio-library/research/2026-06-10-narrowbody-fleet-watch.json ============================================================ DONE: Research pipeline complete for 'Narrowbody fleet watch' Notebook: https://notebooklm.google.com/notebook/8f1c38a9-a390-4530-8691-85964eef9cdd Transcript: /home/lucienne/workspace/audio-library/research/2026-06-10-narrowbody-fleet-watch.txt Audio: /home/lucienne/workspace/audio-library/research/2026-06-10-narrowbody-fleet-watch.mp3 Metadata: /home/lucienne/workspace/audio-library/research/2026-06-10-narrowbody-fleet-watch.json ============================================================ [slides] /usr/bin/python3 /home/lucienne/.claude/skills/research-brief/scripts/nblm_generate_artifact.py 8f1c38a9-a390-4530-8691-85964eef9cdd slides /home/lucienne/workspace/audio-library/research/2026-06-10-narrowbody-fleet-watch-slides.pdf Generating slides... task: 57f9ead4-8a1d-456d-861b-0100f232e73e downloaded → /home/lucienne/workspace/audio-library/research/2026-06-10-narrowbody-fleet-watch-slides.pdf Wrote /home/lucienne/workspace/reports/weekly-research-2026-06-10-narrowbody-fleet-watch.html (14061 bytes) [briefings] registered 2026-06-10-deep-research.mp3 [deliver] sent 2026-06-10-narrowbody-fleet-watch.mp3 [deliver] sent 2026-06-10-narrowbody-fleet-watch-slides.pdf DONE: weekly deep research delivered — Narrowbody fleet watch (2026-06-10)