# SDR UIEA2021122102479

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2021
- Submitted: December 23, 2021
- Operation: Air carrier
- Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now
- Make and model: Boeing 767-3S1
- Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs)
- Aircraft serial: 25221
- Aircraft time: 94,565 hours, 20,188 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Bottle
- Part number: 9700C1ABF23A
- Part serial: 521151
- Condition: None
- Stage of operation: NR
- 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/UIEA2021122102479

## Discrepancy

PORTABLE 02 BOTTLE AT L1 LOW PRESSURE --(11 ONBOARD 10 SERVICABLE REMAIN)  ( PORTABLE OXYGEN DISPENSING UNITS (BOTTLE AND MASK) )(<P>TRANS TO MDDR 158713 PER MEL 35-31-01 CAT D.</P> / <P>21DEC21 - 1484855 - ITEM# 10 - NGU - <SPAN>R&R PORTABLE O2 BOTTLE IAW 35-21-01. CLOSED MDDR 158713.</SPAN><SPAN>DISP: YK @ 1302Z</SPAN></P>)

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