# SDR YENA2018081005485

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2018
- Submitted: October 5, 2018
- Operation: Air carrier
- Aircraft: [N789JB](https://openairdocs.org/aircraft/N789JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 4612
- Aircraft time: 32,015 hours, 10,844 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: No Test
- 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/YENA2018081005485

## Discrepancy

DURING HEAVY MAINTENANCE, REF HAECOSO# 440516 NR# 32183 EMERGENCY EXIT  LIGHT EPSU 13WL FAILS TEST; REF HAECO SO# 440516 NR# 32183 REMOVED AND REPLACED EPSU 13WL BATTERY PACK IAW A320 AMM 33-51-38-020-051-A AND 33-51-38-420-050-A OPS TEST OF THE EPSU CHECKS GOOD IAW AMM 33-51-00-710-001-A. SUPPLEMENTAL INFORMATION TO FOLLOW.

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