# SDR AALA201806229012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2018
- Submitted: June 23, 2018
- Operation: Air carrier
- Aircraft: [N801NN](https://openairdocs.org/aircraft/N801NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29565
- Aircraft time: 28,745 hours, 11,290 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: PAC5026
- Part serial: 7172
- 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/AALA201806229012

## Discrepancy

AIRCRAFT WAS NOT GROUNDED. EMERGENCY LIGHTS OVERHEAD SEATS 25 AND 27 RIGHT HAND SIDE FAILED TO STAY ON DURING TEST OF BATTERY PACK CAPACITY CHECK. REPLACED EMERGENCY POWER SUPPLY BATTERY PACK (M1672) PER AMM 33-51-06. OPERATIONS CHECK NORMAL.

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