Service difficulty report · Shutoff Valve · Boeing 777223

Difficulty date
April 2, 2025
Submitted
April 4, 2025
Operation
Air carrier
Aircraft
N750AN
Make and model
Boeing 777223
Aircraft serial
30259
Part
Shutoff Valve
Condition
Inoperative
Location
Zone 200
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: ACRS MSG SUPPLEMENTAL CREW O2 LIGHT IN MDCR. DECESION MADE TO RETURN TO DFW, EMERGENCY DELARED AND AIRCRAFT LANDED OVERWEIGHT WITHOU INCINDENT. MAINTENANCE REPLACED MDCR S.O.V. REF AMM 21-20-10.