# SDR YENA2026011300023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2026
- Submitted: January 13, 2026
- Operation: Air carrier
- Aircraft: [N2169J](https://openairdocs.org/aircraft/N2169J), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11695
- Aircraft time: 8,052 hours, 1,495 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Message
- Condition: False Activation
- Location: Trim Air
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2026011300023

## Discrepancy

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.

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