# SDR ASAA2022011437164

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2022
- Submitted: January 19, 2022
- Operation: Air carrier
- Aircraft: [N536AS](https://openairdocs.org/aircraft/N536AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35203
- Aircraft time: 36,602 hours, 10,481 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Inoperative
- Location: Foward 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/ASAA2022011437164

## Discrepancy

REFERENCE TC 78233008 EMERGENCY LIGHTS - OPS CHECK. FOUND INOP LIGHTS AT 3AC SEAT ROW CEILING AND SEAT ROWS 8 ABC AND 12 ABC AISLE. GROUNDED - YES. REPLACED BATTERY PACK AT M2335 POWER SUPPLY ASSEMBLY, OPS CHECK GOOD. B737-800 AMM 33-51-06-960-805.

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