What was found
EMERGENCY LIGHT FAILED TEST, EMERGENCY POWER SUPPLY UNIT FAIL INT LOAD MID LT, EPSU EXT LOAD MID LT. REPLACED EMERGENCY POWER SUPPLY UNIT IAW AMM 33-51-35, OPERATIONS NORMAL.
- Difficulty date
- January 31, 2014
- Submitted
- February 3, 2014
- Operation
- Air carrier
- Aircraft
- N189UW
- Make and model
- Airbus A321211
- Aircraft serial
- 1425
- Aircraft time
- 44,519 hours, 16,330 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145510
- Part serial
- 2301
- Condition
- Failed
- Location
- Cabin
- Part time
- 42,570 hours, 15,693 cycles
- 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.