What was found
(AIRCRAFT NOT GROUNDED) EPSU FAILED BITE CHECK. EPSU TEST PANEL SHOWS BATT FAIL ILLUMINATED. REMOVED AND REPLACED 10WL EPSU BATT PACK IAW AMMS 33-51-38-000-002-A/33-51-38-400-002-A. BITE CHECK GOOD.
- Difficulty date
- October 28, 2025
- Submitted
- October 29, 2025
- Operation
- Air carrier
- Aircraft
- N272NV
- Make and model
- Airbus A320214
- Aircraft serial
- 2995
- Aircraft time
- 39,942 hours, 27,373 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- 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.