# SDR AALA201810297004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2018
- Submitted: October 29, 2018
- Operation: Air carrier
- Aircraft: [N794AN](https://openairdocs.org/aircraft/N794AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30256
- Aircraft time: 71,984 hours, 9,119 cycles
- System (JASC): [3597 · Oxygen System Wiring](https://openairdocs.org/jasc/3597)
- Part: Wire
- Condition: Broken
- Location: O2 Mask Box
- 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/AALA201810297004

## Discrepancy

PASSENGER SEAT 5A OXYGEN MASK DOOR FAILED TO OPEN DURING AN OXYGEN MASK DROP TEST.  REPAIRED BROKEN WIRES. OPS CHECKED GOOD IAW WDM 35-21-12, SWPM 20-10-13, AND AMM 35-21-00-710-801.

---
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.