# SDR UIEA2026080800686

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2026
- Submitted: August 12, 2026
- Operation: Air carrier
- Aircraft: [N664GT](https://openairdocs.org/aircraft/N664GT), registered now
- Make and model: Boeing 767-31B
- Registry model: [Boeing 767-31B](https://openairdocs.org/model/boeing-767-31b) (OpenAirDocs)
- Aircraft serial: 26259
- Aircraft time: 114,032 hours, 18,364 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: BPS73
- Part serial: 50889
- Condition: Inoperative
- 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/UIEA2026080800686

## Discrepancy

R4 DOOR HAS 2 EACH EMERGENCY SIGNS INOPERATIVE.  REMOVED AND REPLACED POWER SUPPLY M1210 IAW AMM 33-51-09-002-006 AND AMM 33-51-07-402-010. OPS CHECKS GOOD. POWER SUPPLY P/N:  BPS7-3, S/N: 26392.</P>)

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