# SDR F3LA201907250056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2019
- Submitted: July 25, 2019
- Operation: Air carrier
- Aircraft: [N317FR](https://openairdocs.org/aircraft/N317FR), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 7835
- Aircraft time: 6,548 hours, 2,736 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MF20534
- Part serial: B125958
- Condition: Defective
- Location: Cockpit
- Part time: 6,548 hours, 2,736 cycles
- Stage of operation: CR
- 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/F3LA201907250056

## Discrepancy

DISCREPANCY: CAPTAINS O2 MASK SUPPLY HOSE CAME OFF DURING USE AND APPEARS TO NEED RE-SECURING. CORRECTIVE ACTION: REPLACED CAPTAINS O2 MASK ASSEMBLY, OPS CHECK GOOD. AMM 35-12-41 PB 401.

---
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.