# SDR DALA2024121011581

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2024
- Submitted: December 10, 2024
- Operation: Air carrier
- Aircraft: [N178DN](https://openairdocs.org/aircraft/N178DN), registered now
- Make and model: Boeing 767332
- Aircraft serial: 25143
- Aircraft time: 141,339 hours, 20,625 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- 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/DALA2024121011581

## Discrepancy

SHIP 178 UPPER L4 DOOR EMERGENCY EXIT SIGN DOES NOT ILLUMINATE. CORRECTIVE ACTION: REPLACED M1210 EMEY LTS POWER SUPPLY PER B767 AMM 33-51 ALL CKS GOOD (6931787)

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