Service difficulty report · Bleed Vlv · Boeing 7373B7

Difficulty date
November 19, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N392US
Make and model
Boeing 7373B7
Aircraft serial
23314
Engine
Ge CFM563B1
Part
Bleed Vlv
Part number
7064004
Condition
Failed
Location
Nr 2 Engine
Part time
19,590 hours
Stage of operation
CL
Nature of condition
N
Precautionary procedure
A

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

What was found

MCO - FLT NR 378 - NR 2 ENGINE OVERTEMPED ON TAKEOFF TO 944 DEGREES FOR 2 SECONDS. FLIGHT CREW REDUCED POWER AFTER TAKEOFF TO BELOW RED LINE. CREW COULD NOT SELECT NORMAL CLIMB N1 WITHOUT EGT EXCEEDANCE. RETURNED TO MCO AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND VLV GEAR MOTOR FAILURE. REPLACED VLV MOTOR AND MASTER BALLSCREW ACTUATOR. ENGINE OPS CHECKED NORMAL. (M)

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