# SDR AALA202501273781

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2025
- Submitted: January 27, 2025
- Operation: Air carrier
- Aircraft: N823AW
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 1463
- Aircraft time: 71,688 hours, 33,785 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Sign
- Condition: No Test
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202501273781

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: REF MIC 1921117. PERFORMED OPERATIONAL CHECK OF EMERGENCY POWERSUPPLY UNITS BY BITE-CHECK IAW AMM 33-51-00. FAILURE MESSAGES EPSU INT LOAD FWD L, AND EPSU INT LOAD AFT L FOUND. REMOVED AND REPLACED EXIT LOCATER SIGNS AT 43WL, 52WL, AND 53WLIAW AMM 33-51-17. OPS CHECKS GOOD.

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