# SDR YENA201807020264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 2018
- Submitted: July 2, 2018
- Operation: Air carrier
- Aircraft: [N568JB](https://openairdocs.org/aircraft/N568JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2063
- Aircraft time: 59,663 hours, 21,439 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 790227
- Condition: Discharged
- Location: Cabin
- Part time: 5,775 hours, 2,176 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA201807020264

## Discrepancy

DURING HEAVY MAINTENANCE, EMERGENCY LIGHT FAIL MESSAGE "EPSU INT LOAD FWD L" AND "EPSU ARMED / ON AFT L" DURING PTP TEST; REMOVED AND REPLACED EPSU 13WL IAW AMM 32-51-38. REMOVED AND REPLACED BATTERY PACK IAW AMM 33-51-38. RE-TERMINATED PIN C OF 13WL-A CONNECTOR IAW AWM 33-51-04. EMERGENCY LIGHT OPS CHECK GOOD IAW AMM 33-51-22-710-001-A. REMOVED AND REPLACED O2 CONTAINER IN AISLE OF AFT ENTRY DOOR AND OPS CHECK O2 DROP GOOD IAW AMM 35-23-00.

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