# SDR CALA2012031400181

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2012
- Submitted: March 14, 2012
- Operation: Air carrier
- Aircraft: [N29717](https://openairdocs.org/aircraft/N29717), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28936
- Aircraft time: 43,999 hours, 14,629 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Block
- Part number: S280W55516BACC50
- Condition: Corroded
- Location: Emergency Light
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2012031400181

## Discrepancy

EMERGENCY LIGHT UNDER OVERHEAD AT SEAT 27D ILLUMINATES WHEN LIGHTS TURNED OFF.  FOUND GROUND BLOCK GD3808-DC (FOR BUNDLE W4142, P/N BACC50AN16) CORRODED SEE WDM 33-51-14.  R & R'D GROUND BLOCK WITH A SERVICEABLE GND BLK.  OPS CHECKS NORMAL IAW 33-51-00.

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