What was found
FLT 1734, SFO-BOS (ETOPS). COND TRIM AIR SYS FAULT FWD CAB TRIM VALVE. TROUBLESHOT IAW TSM 21-63-00-810-803-A, PERFORMED BITE TEST OF THE FWD CABIN TEMP CONTROL SYSTEM IAW AMM 21-63-00. NO CURRENT FAULTS, ACFT OK FOR SERVICE.
- Difficulty date
- January 10, 2026
- Submitted
- January 13, 2026
- Operation
- Air carrier
- Aircraft
- N2169J
- Make and model
- Airbus A321271NX
- Aircraft serial
- 11695
- Aircraft time
- 8,052 hours, 1,495 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Warning Message
- Condition
- False Activation
- Location
- Trim Air
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.