What was found
L4 DOOR EMERGENCY POWER ASSIST SYSTEM BATTERY FAILED TEST. AMBER LIGHT ON EPAS BATTERY PACK DOES NOT COME ON. REMOVED AND REPLACED DOOR OPEN SWITCH IAW AMM 52-11-28. OPERATIONAL CHECK GOOD.
- Difficulty date
- December 9, 2016
- Submitted
- December 12, 2016
- Operation
- Air carrier
- Aircraft
- N780AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29956
- Aircraft time
- 66,486 hours, 8,362 cycles
- System (JASC)
- 5210 · Passenger/Crew Doors
- Part
- Switch
- Part number
- 624EN338R
- Condition
- Failed
- Location
- L4 Door
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.