SDR 9711136624

Service difficulty report · Tr Unit · Boeing 747251B

Difficulty date
June 6, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N624US
Make and model
Boeing 747251B
Aircraft serial
21706
Engine
Pwa JT9D7Q
Part
Tr Unit
Condition
Malfunctioned
Location
Nr 1 Engine
Stage of operation
LD
Nature of condition
M
Precautionary procedure
E

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

What was found

NR 1 ENGINE THRUST REVERSER WOULD NOT STOW AFTER LANDING. CREW RECYCLED THE NR 1 REVERSER LEVER AND THE ENGINE COMPRESSOR STALLED. EGT PEAKED AT 550C FOR 2 TO 3 SECONDS AND THE ENGINE WAS SHUT DOWN. MAINTENANCE INSPECTED ENGINE INLET, EXHAUST, AND BLEED SYSTEM WITH NO TROUBLE FOUND. THE NR 1 ENGINE THRUST REVERSER WAS PLACED ON MEL 78-1. EGT WAS WITHIN LIMITS. PART CAUSING PROBLEM TO BE DETERMINED.