# SDR CALA2015011692992

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2015
- Submitted: January 16, 2015
- Operation: Air carrier
- Aircraft: N116UA
- Make and model: Boeing 747422
- Aircraft serial: 26908
- Aircraft time: 64,739 hours, 7,372 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Defective
- Location: Cabin
- 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/CALA2015011692992

## Discrepancy

EMERGENCY EXIT TRACK LIGHTING ROWS 45 - 53H ILLUMINATES OCCASIONALLY.  REPLACED POWER SUPPLY M6010 DOOR 4R.  OPERATIONS CHECKED NORMAL IAW MM 33-51-04.

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