# SDR AALA202008209019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2020
- Submitted: August 20, 2020
- Operation: Air carrier
- Aircraft: [N768AA](https://openairdocs.org/aircraft/N768AA), registered now
- Make and model: Boeing 777223
- Aircraft serial: 33540
- Aircraft time: 55,623 hours, 6,636 cycles
- System (JASC): [2565 · Escape Slide](https://openairdocs.org/jasc/2565)
- Part: Reservoir
- Part number: 410045091
- Part serial: 35853A7
- Condition: Depleted
- Location: R4 Door Slide
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202008209019

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE - R4 DOOR SLIDE PACK DEPLOYED DUE TO EPAS (EMERGENCY POWER ASSIST SYSTEM) BATTERY FAILURE, SLIDE PACK FAILED TO INFLATE DUE TO EPAS RESERVOIR DEPLETED.  REPLACED R4 DOOR SLIDE-RAFT PER JOB CARD 25-94-25 AND AMM 25-66-01.  REPLACED R4 DOOR EPAS RESERVOIR PER AMM 52-11-22, INSTALLATION CHECKS GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.