# SDR DL76L990238

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N174DN](https://openairdocs.org/aircraft/N174DN), registered now
- Make and model: Boeing 767332
- Aircraft serial: 24802
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Mask
- Part number: MC1025104
- Condition: Dirty
- Location: Lt Cockpit
- Stage of operation: CR
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL76L990238

## Discrepancy

CAPTS O2 MASK VALVE STICKS.  HARD TO EXHALE, NEEDED CLEANING.  REPLACED O2 MASK.

---
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.