What was found
AIRCRAFT WAS GROUNDED: MAINTENANCE REPORTS EMERGENCY POWER UNIT 14WL MID R FAILED BITE TEST. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT 14WL IAW AMM 33-51-38. OPS CHECK NORMAL.
- Difficulty date
- June 24, 2019
- Submitted
- June 27, 2019
- Operation
- Air carrier
- Aircraft
- N996AN
- Make and model
- Airbus A321231
- Aircraft serial
- 7310
- Aircraft time
- 8,335 hours, 3,165 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 153020
- Condition
- No Test
- 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.