# SDR IPXA2023091194135

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2023
- Submitted: September 12, 2023
- Operation: Air carrier
- Aircraft: [N157UP](https://openairdocs.org/aircraft/N157UP), 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: 0846
- Aircraft time: 23,487 hours, 14,106 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: UNKNOWN
- Part serial: NA
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2023091194135

## Discrepancy

INSPECTION TYPE: NA AUTONOMOUS POWER SUPPLY DOES NOT BITE TEST.R&R BOTH EMERGENCY PWR SUPPLY BATTERIES PER AMM 52-73-18 BITE TEST WORKS BUT NO GOOD. FAULTS THE UNIT AND NO OUTPUT SINGAL. R&R APSU PER AMM 52-73-18. BITE TEST GOOD. NO FAULTS NOTED. OK FOR SVC.

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