What was found
AIRCRAFT WAS NOT GROUNDED: DURING TEST OF EMERGENCY LIGHTS FOUND EMERGENCY POWER SUPPLY UNIT (14WL) FAULTING. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- November 14, 2018
- Submitted
- November 15, 2018
- Operation
- Air carrier
- Aircraft
- N152UW
- Make and model
- Airbus A321211
- Aircraft serial
- 5588
- Aircraft time
- 19,252 hours, 7,633 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 2333
- Condition
- Faulted
- 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.