# SDR ANCF20190531901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2019
- Submitted: May 31, 2019
- Operation: Air carrier
- Aircraft: [N765AV](https://openairdocs.org/aircraft/N765AV), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 7928
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Bottle
- Part number: 89794077
- Part serial: C17070286
- Condition: Leaking
- Location: Crew Oxygen
- Part time: 5,546 hours
- 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/ANCF20190531901

## Discrepancy

MAY 19. CKPT OXY F/O SIDE POSSIBLE AIR LEAK, IN FLIGHT IT DROPPED FROM 640 PSI TO 540 PSI ,IT DROPS 10 PSI EVERY 15 MINUTES APROX // CORRECTIVE ACTIONS: MAY 20. IN ACCORDANCE WITH AMM 35-11-41 PB 401 CONF 01, COCKPIT OXYGEN CYLINDER F/O SIDE WAS REMOVED AND REPLACED. LEAK TEST WAS SATISFACTORY.

---
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.
