# SDR YENA2025100100988

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2025
- Submitted: October 1, 2025
- Operation: Air carrier
- Aircraft: [N571JB](https://openairdocs.org/aircraft/N571JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 02125
- Aircraft time: 81,763 hours, 29,776 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 923205
- Condition: Failed
- Location: Zone 200
- Part time: 6,535 hours, 1,405 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025100100988

## Discrepancy

FLT#591, BOS-TPA. "EMERGENCY EXIT SIGNS AIRCRAFT RIGHT REMAINED ON ENTIRE FLIGHT AND AIRCRAFT RIGHT WAS OFF ENTIRE FLIGHT; ED TSM 33-51-00-810-837A  PERFORMED EPSU OPS BITE CK IAW AMM 33-51-00   FOUND 11WL BATT FAULT DURING BITE(L EMERG EXIT BATT) R&R 11WL BATT PACK IAW AMM 33-51-38  CKD GOOD.  PERFORMED SATISFACTORY BITE OF CIDS IAW AMM 23-73-00 & LGCIU 32-31-00   NO FAULTS NOTED.  NO HISTORY LAST 30 DAYS   OK FOR SVC."

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