What was found
CONT CAB ZONE TEMP ILLUMINATION DURING MASTER CAUTION RECALL. GROUNDED - YES. REMOVED AND REPLACED FLT DECK TRIM VALVE PER B737-900 AMM 21-61-21
- Difficulty date
- April 13, 2022
- Submitted
- April 15, 2022
- Operation
- Air carrier
- Aircraft
- N457AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36355
- Aircraft time
- 29,782 hours, 9,514 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Master Caution
- Part number
- 3989085
- Part serial
- 1454
- Condition
- Failed
- Location
- Left Ecs Bay
- Part time
- 90,528 hours, 45,234 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.