What was found
RESET/TEST SWITCH NOT FUNCTIONING PROPERLY WHEN PRESSED ONCE. TEST OCCURS MASK WILL NOT TEST AGAIN AFTERWARDS UNLESS INFLATED(<P><SPAN>REPACKED / MASK OPS OK IN REF TO AMM 35-11-00</SPAN></P>)
- Difficulty date
- December 28, 2018
- Submitted
- December 31, 2018
- Operation
- Air carrier
- Aircraft
- N1439A
- Make and model
- Boeing 76733A
- Aircraft serial
- 28495
- Aircraft time
- 68,632 hours, 15,904 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Test Switch
- Condition
- Inoperative
- Location
- Oxygen System
- 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.