# SDR UIEA2020120302515

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2020
- Submitted: December 3, 2020
- Operation: Air carrier
- Aircraft: [N472MC](https://openairdocs.org/aircraft/N472MC), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 27062
- Aircraft time: 116,388 hours, 19,459 cycles
- System (JASC): [3530 · Portable Oxygen System](https://openairdocs.org/jasc/3530)
- Part: Oxygen Mask
- Part number: 10800C1F1
- Part serial: TLS51897624630
- Condition: Damaged
- Location: Portable O2
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020120302515

## Discrepancy

FOUND PORTABLE OXYGEN CYLINDER FULL MASK TUBE BRK AT U/D 2 EA, IAW IAI AMM 35-11-00-900-801 REV 10.  REPLACED PORTABLE OXYGEN CYLINDER FULL MASK AT U/D 2 EA.  JOB COMPLETED AND CONDITION CHECK NORMAL.

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