# SDR ASAA2018110626737

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2018
- Submitted: November 7, 2018
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 45,615 hours, 13,675 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Discharged
- Location: Cabin
- 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/ASAA2018110626737

## Discrepancy

WHILE PERFORMING T/C 78233001 FOUND LEFT OVERWING AFT EXIT LIGHT & LEFT OVERHEAD BIN EXIT LIGHTS ROW 1-12 INOP & RT FWD OVERWING EXIT LIGHT & RT OVERHEAD BIN LIGHTS 18-23 INOP. GROUNDED - YES. REPLACED THREE BATTERY PACKS AND ONE POWER SUPPLY INSTALLATION TEST PASSES REF AMM 33-51-06/201.

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