# SDR YENA2026072900630

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2026
- Submitted: July 29, 2026
- Operation: Air carrier
- Aircraft: [N2180J](https://openairdocs.org/aircraft/N2180J), 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: 11838
- Aircraft time: 9,861 hours, 1,817 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Valve
- Part number: 1320A000002
- Part serial: 132053608
- Condition: Failed
- Location: Zone 100
- Part time: 9,872 hours, 1,819 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2026072900630

## Discrepancy

FLT 1534, SFO-BOS. (ETOPS) "CKPT TRIM AIR VALVE INOP; R & R CKPIT TRIM AIR VALVE PER AMM 21-63-51. OPS & LEAK CHK OK. MDDR CLEARED. MX-4 UPDATED. PLACARD REMOVED.

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