# SDR UIEA2021100802205

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2021
- Submitted: October 11, 2021
- Operation: Air carrier
- Aircraft: [N1709A](https://openairdocs.org/aircraft/N1709A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 24086
- System (JASC): [3500 · Oxygen System](https://openairdocs.org/jasc/3500)
- Part: None
- Part number: MXP147
- Part serial: S3357
- Condition: None
- Stage of operation: IN
- How discovered: C
- Nature of condition: L, S
- Precautionary procedure: K, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021100802205

## Discrepancy

CAPTS O2 MASK MIC INOP(<P>SWAPPED CAPTS AND FIRST OFFICERS O2 BOX ASSY. CAPTS PNO MXP147 SNO 3875. FIRSTS OBS PNO MXP147 SNO 53357. OPS CHK NORMAL. REF AMM 35-11-51. TRANSFERRED TO MDDR 154761.</P> / <P>ONT MX-16OCT, LP 1371987: REMOVED AND REPLACED OBS OXY MASK BOX & O2 LINE(OXYGEN SUPPLY) IAW AMM 35-11-51. FOUND #2 PIN NOT SECURED, RESECURED PIN 2 IAW SWPM 20-60 & WDM 23-71-11. OPS CHECK GOOD. THIS CLEARS MDDR 154761. MCC NOTIFIED. JT 0852Z.</P>)

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