What was found
OPERATIONAL TEST OF THE EMERGENCY POWER-SUPPLY UNITS WITH BITE CHECK FAILS. REF STEP 15 OF PSM. T/S PER TSM 33-51-00/101. FOUND UNIT FAULT LIGHT ILLUMINATED ON ESPU. REMOVED AND REPLACED ESPU IAW MM 33-51-14/0401. ALL OPS CHECK GOOD.
- Difficulty date
- September 21, 2025
- Submitted
- September 23, 2025
- Operation
- Air carrier
- Aircraft
- N161UP
- Make and model
- Airbus A300F4622R
- Aircraft serial
- 0850
- Aircraft time
- 26,086 hours, 15,684 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32145410
- Part serial
- 006955
- 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.