# SDR UALA2011071103440

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2011
- Submitted: August 2, 2011
- Operation: Air carrier
- Aircraft: N118UA
- Make and model: Boeing 747422
- Aircraft serial: 28811
- Aircraft time: 49,874 hours, 6,051 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: S1356B37
- 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/UALA2011071103440

## Discrepancy

D-ZONE SEAT ROWS 33ABC-43ABC EMERGENCY LIGHTS IS INOPERATIVE.  REPLACED 'D' ZONE EMERGENCY BATTERY PACK.  CHECKS NORMAL.

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