# SDR CALA2011102800695

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2011
- Submitted: October 28, 2011
- Operation: Air carrier
- Aircraft: [N35407](https://openairdocs.org/aircraft/N35407), registered now
- Make and model: Boeing 737924
- Aircraft serial: 30124
- Aircraft time: 32,082 hours, 13,045 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- 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/CALA2011102800695

## Discrepancy

ROW 20 & 21 A/F OVERWING EXIT SIGNS REMAIN DIM AFTER EMERGENCY LIGHT TEST.  REMOVED AND REPLACED BATTERY PACKS 1674 & 1675.  EMERGENCY LIGHT SYSTEM (ELS) FUNCTIONALLY CHECKS GOOD.  NOTE SIDEWALL LIGHTING IN BRIGHT BLEEDS THRU EXIT SIGN ASSEMBLY WHEN SWITCH TO BRIGHT AMM 33-51-06.

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