# SDR CALA2024043001265

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2024
- Submitted: April 30, 2024
- Operation: Air carrier
- Aircraft: [N808UA](https://openairdocs.org/aircraft/N808UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 804
- Aircraft time: 80,064 hours, 34,612 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: AD321431
- Condition: Faulty
- Location: Emergency Lights
- 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/CALA2024043001265

## Discrepancy

OPERATIONAL CHECK OF CABIN EMERGENCY LIGHTS {A3NB-33-3-6012} - SHOWS EPSU BATTERY AFT L UPON CIDS PTP CHECK IAW TSM TASK 33-51-00-810-802-A, ACP OPERATIONAL TEST OF THE 33-51-38-000-002-A AND TASK 33-51-38-400-002-A. EPSU BITE CHECKS EMERGENCY LIGHTS NOT WITH THE CABIN INTERCOMMUNICATION DATA OKAY, CIDS PTP BITE CHECK OKAY. PARTS USED: SYSTEM (CIDS) REF AMM TASK 33-51-00-710-006-A FOR 13WL. SHOWED 18-3351-3-0001,QTY :1 BATTERY FAULT. REPLACED EPSU BATTERY IAW AMM TASK IDT C/W EPSU BATTERY FOR PROPER INSTALL, SECURITY, AND OPS. REF GMM 09-10-05

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