# SDR CALA2019051300767

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2019
- Submitted: May 13, 2019
- Operation: Air carrier
- Aircraft: [N74007](https://openairdocs.org/aircraft/N74007), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29477
- Aircraft time: 100,545 hours, 10,011 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Battery Pack
- Condition: Discharged
- Location: L1 Door
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2019051300767

## Discrepancy

ON CHK FND L1 DOOR EPAS GREEN TEST INDICATOR LIGHT CONTINUOUSLY BLINK WHEN SAFETY SWITCH IN "ARM" POSITION. L1 DOOR EPAS 9 VOLT BACK-UP BATTERIES REPLACED AND TEST CARRIED OUT "SATIS" IAW AMM 52-11-20 DEFECT UPDATE: CHK FND L1 DR EPAS GREEN TEST INDICATOR LIGHT "NOT" CONTINUOUSLY BLINK WHEN SAFETY SWITCH IN "ARM" POSITION.

---
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.