What was found
DURING COCKPIT 1A CHECK OPERATION TEST OF EPSU FAILED 3 BATTERIES. REPLACED EPSU BATTERIES 11WL, 12WL, AND 18WL.
- Difficulty date
- May 22, 2017
- Submitted
- May 23, 2017
- Operation
- Air carrier
- Aircraft
- N816NW
- Make and model
- Airbus A330323
- Aircraft serial
- 0827
- Aircraft time
- 46,450 hours, 6,113 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Discharged
- Location
- Cabin
- 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.