# SDR CALA2026052516494

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2026
- Submitted: May 25, 2026
- Operation: Air carrier
- Aircraft: [N217UA](https://openairdocs.org/aircraft/N217UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30550
- Aircraft time: 98,357 hours, 11,655 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Battery Pack
- Part number: 285W0955102
- Part serial: D03300
- Condition: Faulted
- Location: Zone 200
- Part time: 18,678 hours, 3,675 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026052516494

## Discrepancy

EMERGENCY POWER ASSIST SYSTEM (EPAS) BATTERY,  ELECTRICAL CHARGE CHECK (PED 1, 2, 3, 4) PROCEDURE - FOUND EPAS STATUS LIGHT NOT BLINKING IN ARMED POSITION AT DOOR 2 RIGHT EMERGENCY POWER ASSIST SYSTEM (EPAS) BATTERY PACK AT DOOR RIGHT 02 WAS REPLACED AND CHECKED IAW AMM 52-11-20/401. PERFORMED OPERATIONAL CHECK IAW AMM TASK 52-11-20-700-812. TEST PASSED. INSPECTED EPAS BATTERY FOR PROPER INSTALLATION AND BLOCKING DEVICES REMOVAL PER AMM 52-11-20/401.

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