# SDR DALA2019102186058

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2019
- Submitted: October 21, 2019
- Operation: Air carrier
- Aircraft: [N664DN](https://openairdocs.org/aircraft/N664DN), registered now
- Make and model: Boeing 757232
- Aircraft serial: 25012
- Aircraft time: 84,272 hours, 38,719 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- 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/DALA2019102186058

## Discrepancy

SHIP 664 EMER LIGHTS ROWS 12-15 & ON EXTERIOR IN ZONE INOP. CORRECTIVE ACTION: REPLACED POWER SUPPLY M735 AND BATTERY PACK IAW B757AMM 33-51-07. OP TEST GOOD. (5488389)

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