SDR 9620366635

Service difficulty report · Controller · Boeing 747227B

Difficulty date
September 21, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N635US
Make and model
Boeing 747227B
Aircraft serial
21682
Engine
Pwa JT9D7Q
Part
Controller
Part number
7880461
Condition
Malfunctioned
Location
Nr 2 Engine
Part time
32,858 hours
Stage of operation
TO
Nature of condition
J
Precautionary procedure
C, D

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

What was found

DURING TAKEOFF ROLLOUT, THE NR 2 ENGINE WOULD NOT REACH TAKEOFF EPR. CREW FOLLOWED COM PROCEDURE, ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE FOUND HIGH STAGE CONTROLLER COVER BLOWN OFF. REPLACED THE CONTROLLER AND PNEUMATIC PRESSURE RELIEF VALVE. ALL CHECKS WERE NORMAL AND AIRCRAFT RETURNED TO SERVICE.