# SDR AALA20151012003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2015
- Submitted: October 13, 2015
- Operation: Air carrier
- Aircraft: [N797AN](https://openairdocs.org/aircraft/N797AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30012
- Aircraft time: 59,683 hours, 7,622 cycles
- System (JASC): [3320 · Passenger Compartment Lighting](https://openairdocs.org/jasc/3320)
- Part: Panel
- Part number: 476W220076A
- Condition: Inoperative
- 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/AALA20151012003

## Discrepancy

FLIGHT CREW GND CHECK MIC ITEM 31225556.  EVAC SWITCH AT 4L, SWITCH WILL NOT ENGAGE & HORN INOPERATIVE.  L4 DOOR ATTENDANT PANEL ASSEMBLY REPLACED.  INSTALLATION TEST FOUND NORMAL & EMER EVACUATION SIGNAL SYS OPERATIONAL TEST FOUND NORMAL IAW AMM 33-22-06 & AMM 25-63-02.

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