# SDR CALA2020062001020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2020
- Submitted: June 20, 2020
- Operation: Air carrier
- Aircraft: [N438UA](https://openairdocs.org/aircraft/N438UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 678
- Aircraft time: 72,886 hours, 30,019 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- 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/CALA2020062001020

## Discrepancy

EMERGENCY EXIT LIGHT TEST FAILED,  EPSU AT LT AFT POSITION. TRIED TESTING AT ESPU NO REPONSE. REPLACED ESPU REF AMM  33-51-38-000-001-A &  33-51-38-400-001-A OPS CHECKED OK. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1103732  SN OFF 8072 POWER SUPPLY, C  OFF 31-3350-9-9001 8072 ON 31-3350-9-9001 3795 INSPECTED REF AMM 33-51-38-000-001 AND 33-51-38-400-001 OPS CHECK GOOD

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