# SDR AALA2020062219009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2020
- Submitted: June 22, 2020
- Operation: Air carrier
- Aircraft: [N173US](https://openairdocs.org/aircraft/N173US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1481
- Aircraft time: 64,793 hours, 24,415 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Wrong Part
- 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/AALA2020062219009

## Discrepancy

AIRCRAFT IN BASE VISIT: WHILE ACCOMPLISHING J/C 26C00033004 FOUND AFT DOOR ESPU WOULD NOT TEST. FOUND ESPU HAD WRONG EFFECTIVITY IN IT. REPLACED ESPU PER AMM 33-51-38.

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