What was found
1ST OBS SEAT MASK O2 INOPERABLE. TRANSFERRED TO MDDR 137721, PER MEL 25-11-02-01C CAT A, DUE 14 NOV 20. REMOVED AND REPLACED STOWAGE, PER AMM35-11-51. OPERATIONS CHECK GOOD. NO LEAKS NOTED THIS CLEARS MDDR 137721. PLACARD REMOVED.
- Difficulty date
- November 12, 2020
- Submitted
- November 16, 2020
- Operation
- Air carrier
- Aircraft
- N1399A
- Make and model
- Boeing 767306
- Aircraft serial
- 27959
- Aircraft time
- 92,305 hours, 17,962 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Stowage Box
- Part number
- MXP1473
- Part serial
- S4563
- Condition
- Inoperative
- Location
- Oxygen Mask
- Stage of operation
- TX
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.