SDR 9721226624

Service difficulty report · Bleed Valve · Boeing 747251B

Difficulty date
November 11, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N624US
Make and model
Boeing 747251B
Aircraft serial
21706
Part
Bleed Valve
Part number
7880461
Condition
Failed
Location
Nr 1 Engine
Part time
23,489 hours
Stage of operation
CL
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

DURING CLIMB, THE NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO GUM AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 ENGINE HIGH STAGE BLEED VALVE AND CONTROL, OPERATIONAL CHECK GOOD.