What was found
AIRCRAFT NOT GROUNDED: MAINTENANCE REPORTS AN ESPU SYSTEM TEST CLASS 1 FAULT. REMOVED AND REPLACED THE EMERGENCY POWER SUPPLY UNIT 11WL IAW AMM 33-51-38. OPS TEST GOOD.
- Difficulty date
- March 28, 2019
- Submitted
- April 1, 2019
- Operation
- Air carrier
- Aircraft
- N989AU
- Make and model
- Airbus A321231
- Aircraft serial
- 7307
- Aircraft time
- 8,500 hours, 3,261 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 153114
- Condition
- Inoperative
- Location
- Emergency Lights
- 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.