What was found
DURING SCHEDULED HEAVY CHECK EPSU TEST FOUND 10WL FAILED TEST. AIRCRAFT WAS NOT GROUNDED. REMOVED AND REPLACED 10WL EPSU BATTERY IAW AMM 33-51-38-400-002-A OPS TEST GOOD. A/C OK FOR SERVICE. AIRCRAFT WAS RETUNED TO SERVICE.
- Difficulty date
- June 14, 2026
- Submitted
- June 14, 2026
- Operation
- Air carrier
- Aircraft
- N343FR
- Make and model
- Airbus A320251N
- Aircraft serial
- 08580
- Aircraft time
- 22,696 hours, 10,514 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- No Test
- Location
- Zone 200
- 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.