Service difficulty report · Control Valve · Boeing 777223

Difficulty date
May 19, 2024
Submitted
May 28, 2024
Operation
Air carrier
Aircraft
N759AN
Make and model
Boeing 777223
Aircraft serial
32638
Aircraft time
84,883 hours, 11,009 cycles
Part
Control Valve
Part number
4463471
Condition
Inoperative
Location
Fire Bottle
Stage of operation
CR
How discovered
V
Nature of condition
J
Precautionary procedure
A

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

What was found

AIRCRAFT WAS GROUNDED: FIRE CARGO FWD BOTTLE DISCHARGED. AIRCRAFT DIVERTED TO YYT DECLARED AN EMERGENCY AND LANDED OVERWEIGHT WITHOUT INCIDENT. ALL 5 CARGO BOTTLES WERE DISCHARGED MAINTENCE COULD FIND NO INDICATION OF FIRE. AIRCRAFT WAS FERRY TO JFK FOR FURTHER TROUBLE SHOOTING. **SUPPLEMENTAL REPORT FOR SDR AALA202405218594.** (CLOSED) MAINTENANCE REMOVED AND REPLACED FWD CARGO LOWER EXTINGUISHING VALVE IAW AMM 26-33-05.26-23-05. REF NR 4855708.