# SDR CALA2015042093615

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2015
- Submitted: April 20, 2015
- Operation: Air carrier
- Aircraft: N199UA
- Make and model: Boeing 747422
- Aircraft serial: 28717
- Aircraft time: 70,838 hours, 8,112 cycles
- Engine: Pwa PW4056
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Connector
- Condition: Defective
- 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/CALA2015042093615

## Discrepancy

MAIN DECK RT STATION 740 - 780 CEILING EMER LIGHT FOUND INOPERATIVE.  MAIN DECK RT STATION 740 - 780 CEILING EMER LIGHT CONNECTOR REPLACED.  TEST FOUND NORMAL & CEILING SPEAKER TEST FOUND NORMAL IAW WDM 33-51-31 REV 124, WDM 23-31-42 REV 124, SWPM 20-72-26 REV 58, AMM 33-51-00 REV 173 & AMM 23-31-03 REV 173.

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