# SDR DALA2018102806395

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2018
- Submitted: November 1, 2018
- Operation: Air carrier
- Aircraft: [N192DN](https://openairdocs.org/aircraft/N192DN), registered now
- Make and model: Boeing 767332
- Aircraft serial: 28449
- Aircraft time: 97,406 hours, 14,025 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: B-Nut
- Condition: Loose
- Location: Crew O2
- 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/DALA2018102806395

## Discrepancy

FLIGHT 166 SIN-NRT, DIVERTED TO MNL DUE TO CREW O2 PRESSURE AT 0 PSI. MAINTENANCE FOUND B NUT LOOSE AT SECOND OBS SEAT O2 BOX ON BACK OF BOX. TIGHTENED SAME AND PERFORMED LEAK. SYSTEM CHECKS NORMAL.

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