# SDR IPXA2021040367711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2021
- Submitted: April 5, 2021
- Operation: Air carrier
- Aircraft: [N121UP](https://openairdocs.org/aircraft/N121UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0806
- Aircraft time: 22,845 hours, 14,518 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- 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/IPXA2021040367711

## Discrepancy

INSPECTION TYPE:NAEMERGENCY LIGHTS FAIL TEST, NO LIGHTS ILLUMINATE ON EPSU WHEN "TEST"SWITCH ACTUATEDREPLACED EPSU BATTERY REF AMM 33-51-14-0401. FAULT LIGHT "UNIT" ILLUMINATED ON EPSU.  R/R'D EPSU (29WL) IAW AMM 33-51-14-0401.  OPS TEST NORMAL IPC 33-51-14-01-020 & 33-51-04-03B-010C.

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