What was found
DURING HEAVY MAINTENANCE: DURING EPSU BITE, FOUND 15WL BAT FAULT; REMOVED AND REPLACED EPSU BATTERY 15WL IAW AMM 33-51-38-100-200-A/400-200A-A. BITE TEST OK. REF STS NR WO 3329 N0413.
- Difficulty date
- April 15, 2024
- Submitted
- April 16, 2024
- Operation
- Air carrier
- Aircraft
- N994JL
- Make and model
- Airbus A321231
- Aircraft serial
- 08185
- Aircraft time
- 21,968 hours, 7,035 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- UNKNOWN
- 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.