# SDR ASAA2023080144391

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2023
- Submitted: August 4, 2023
- Operation: Air carrier
- Aircraft: [N526AS](https://openairdocs.org/aircraft/N526AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35196
- Aircraft time: 46,334 hours, 16,350 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Inoperative
- Location: Cabin
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023080144391

## Discrepancy

EMERG EXIT LIGHTS ASSOCIATED WITH M1675 AT FWD CABIN CEILING ARE INOP. GROUNDED - YES. REMOVED + REPLACED M1675 POWER SUPPLY WITH BATTERY PACK S/N 30188 + OPS TEST CHECKS GOOD IAW B737NG AMM 33-51-06PO:1066612.1.

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