# SDR UIEA2024120201147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2024
- Submitted: December 4, 2024
- Operation: Air carrier
- Aircraft: [N482MC](https://openairdocs.org/aircraft/N482MC), registered now
- Make and model: Boeing 747443
- Aircraft serial: 32340
- Aircraft time: 93,599 hours, 12,383 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: BP573
- Part serial: TLS32497
- Condition: No Test
- Location: Zone 200
- 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/UIEA2024120201147

## Discrepancy

FOUND THE EMERGENCY LIGHT BATTERY FUNCTION FAIL (M5933, M7924).(<P>IAW AMM 33-51-04-002-009-001 & 33-51-04-402-012-001 REV 112 REPLACED EMERGENCY LIGHT POWER SUPPLY (M5933, M7924) AND PFM TEST OF POWER SUPPLY, RESULT WAS SATISFACTORY.</P>)

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