# SDR CALA2025052004837

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2025
- Submitted: May 20, 2025
- Operation: Air carrier
- Aircraft: [N451UA](https://openairdocs.org/aircraft/N451UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 865
- Aircraft time: 80,693 hours, 33,370 cycles
- System (JASC): [2397 · Communications System Wiring](https://openairdocs.org/jasc/2397)
- Part: Pcb
- Part number: D9259018700000
- Condition: Faulted
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025052004837

## Discrepancy

PAX CALL LIGHT/AURAL WARNING GOING OFF INTERMITTENTLY AT ROW 26A.   DISCONNECTED PAX CALL CONNECTOR AT ROW 26 A, B, C.  REF GMM 05-30-05.  INSTALLED INOP STICKER ON FWD FAP PANEL. CALHOUN, SAM (V947403) DEFERRED PER MEL, DISCONNECTED PAX CALL CONNECTOR AT ROW 26 A, B, C.  REF GMM 05-30-05.  INSTALLED INOP STICKER ON FWD FAP PANEL. DEFERRED DIRECTLY BY TOMC DUP LOG 4875515 REOPEN ORF U296760 17MAY25 FOR: CLOSED IN ERROR CLOSED IN ERROR REMOVED AND REPLACED PAX CALL LIGHT/AURAL WARNING BOARD PER AMM 25-00-00.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
