What was found
FIRST OBSERVER O2 MASK SWITCH BROKEN 2511.(<P>R/R 1ST OBS O2 BOX ASSY IAW AMM 35-11-18. OPS CHECK & LEAK CHECK GOOD. NO FURTHER DEFECTS NOTED. THIS CLEARS DMI 232321. PLACARDS REMOVED.</P>)
- Difficulty date
- June 10, 2025
- Submitted
- June 13, 2025
- Operation
- Air carrier
- Aircraft
- N703GT
- Make and model
- Boeing 777F16
- Aircraft serial
- 41518
- Aircraft time
- 59,742 hours, 8,305 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Switch
- Condition
- Broken
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.