What was found
LAVATORY PORTABLE O2 BOTTLE MASK HAS INCORRECT FITTING TO ATTACH TO O2 BOTTLE.(<P>REMOVED & REPLACED O2 MASK ASSY IAW AMM 35-31-00. OPS CHK OK.THIS CLEARS MDDR 246793. </P>)
- Difficulty date
- January 28, 2026
- Submitted
- January 30, 2026
- Operation
- Air carrier
- Aircraft
- N642GT
- Make and model
- Boeing 7673Y0
- Aircraft serial
- 26207
- Aircraft time
- 88,725 hours, 25,739 cycles
- System (JASC)
- 3530 · Portable Oxygen System
- Part
- Fitting
- Part number
- 289601212
- Condition
- Wrong Part
- Location
- Oxygen Mask
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.