# SDR AALA20150403009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2015
- Submitted: April 8, 2015
- Operation: Air carrier
- Aircraft: [N791AN](https://openairdocs.org/aircraft/N791AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30254
- Aircraft time: 59,283 hours, 7,665 cycles
- System (JASC): [5240 · Service Doors](https://openairdocs.org/jasc/5240)
- Part: Switch
- Part number: 624EN338R
- Condition: Failed
- Location: R4 Door Assist
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20150403009

## Discrepancy

R4 PAX ENTRY DOOR EMERGENCY POWER ASSIST SYS CIRCUITRY FUNCTIONAL CHECK FAILED.  WIRING CONTINUITY CHECKED.  FOUND SWITCH DOOR MODE SELECT SWITCH AT DOOR OPEN, SWITCH FAILED.  R & R SWITCH.  PERFORMED EMER POWER ASSIST SYS BATTERY.  OPERATIONAL TESTED IAW AMM 52-11-28 & 52-11-20.  SYS CHECKED NORMAL.

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