What was found
AIRCRAFT WAS GROUNDED: SMOKE AND FUME IN FLIGHT DECK REACHING 15,000FT IN CONJUNCTION WITH A LEFT PACK FAIL AFTER TAKEOFF. REMOVED AND REPLACED (ACM)-AIR CYCLE MACHINE. PER AMM 21-51-04. OPERATIONAL CHECKED GOOD.
- Difficulty date
- July 3, 2025
- Submitted
- July 8, 2025
- Operation
- Air carrier
- Aircraft
- N977NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31225
- Aircraft time
- 29,346 hours, 12,568 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Acm
- Part number
- 22064002
- Part serial
- 7119
- Condition
- Failed
- Location
- Zone 100
- Part time
- 69,750 hours, 29,368 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.