# SDR AALA202204189219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2022
- Submitted: April 18, 2022
- Operation: Air carrier
- Aircraft: [N718AN](https://openairdocs.org/aircraft/N718AN), registered now
- Make and model: Boeing 777323ER
- Aircraft serial: 41665
- Aircraft time: 32,771 hours, 3,835 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Switch
- Part number: 624EN334R
- Condition: Faulty
- Location: Zone 800 - Doors
- 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/AALA202204189219

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: 4L DOOR EMERGENCY POWER ASSIST SYSTEM BATTERY DOES NOT HOLD CHARGE. REPLACED MODE SELECT SWITCH. ACCOMPLISHED SATISFACTORY SYSTEM TEST PER AMM 52-12-20-700-802-002, AMM 52-12-28-000-801, AND AMM 52-12-20-700-801-002.

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