- Difficulty date
- February 17, 2026
- Submitted
- February 18, 2026
- Operation
- Air carrier
- Make and model
- Boeing 777224
- Aircraft serial
- 29479
- Aircraft time
- 126,409 hours, 12,953 cycles
- Part
- Battery
- Part number
- PC1604
- Condition
- Inoperative
- Location
- Epas
- 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.
What was found
EMERGENCY POWER ASSIST SYSTEM (EPAS) BATTERY - ELECTRICAL CHARGE CHECK (PED 1, 2, 3, 4) EPAS BATTERY ELECTRICAL CHARGE CHECK - EPAS BATTERY DOESNT BLINK. REQUIRES BATTERY REPLACEMENT REPLACED 9V BATTERY PACK IAW AMM TASK 52-11-20-400-806-002.