# SDR AALA202007209021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2020
- Submitted: July 21, 2020
- Operation: Air carrier
- Aircraft: [N786AN](https://openairdocs.org/aircraft/N786AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30250
- Aircraft time: 80,178 hours, 9,788 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Part serial: 51161
- Condition: Inoperative
- Location: Emergency Lights
- 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/AALA202007209021

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE - R2 DOOR EMERGENCY LIGHTS INOP (EPSU M33098).  REMOVED AND REPLACED EPSU (EMERGENCY POWER SUPPLY UNIT) M33098 PER AMM 33-51-06, OPERATIONAL CHECK GOOD.

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