- Difficulty date
- April 13, 2023
- Submitted
- April 17, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44107
- Aircraft time
- 28,149 hours, 8,837 cycles
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- 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.
What was found
CONT CAB ZONE TEMP RESETS MASTER RECALL. GROUNDED - YES. PER B737-900 FIM 21-62 TASK 801 + 842 PACK TEMP CONTROL BITE #2 CTRL HAD FLT DECK TRIM VALVE. VERIFIY PASSED. FAULT CLEARED. OPERATED PACKS. CONT CAB TEMP OPERATED NORMALLY.NO HISTORY 30 DAY.