# SDR CALA2021092001605

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2021
- Submitted: September 20, 2021
- Operation: Air carrier
- Aircraft: [N802UA](https://openairdocs.org/aircraft/N802UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 690
- Aircraft time: 74,582 hours, 31,830 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: AD321431
- Condition: Discharged
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021092001605

## Discrepancy

EMERGENCY LIGHTS OP''S TEST FROM THE PTP FAILS FOR THE EPSU AFT L - A3NB-33-3-0004 - NR 9296002 (20002) GENERATED BY V061627 AT H AECO LCQ. REMOVED AND REPLACED 13WL (AFT L) EPSU BATTERY IAW A319/320 AMM 33-51-38, SYSTEM OPERATION CHECKS GOOD IAW A319/A320 AMM 33-51-0 0-710-001-A. ACCOMPLISHED BY V929991, INSP BY N078570.

---
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.