SDR 9617686637

Service difficulty report · Y-Duct · Boeing 747251B

Difficulty date
August 12, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N637US
Make and model
Boeing 747251B
Aircraft serial
23548
Part
Y-Duct
Condition
Cracked
Location
Nr 3 Pylon
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, THE NR 3 FIRE WARNING LIGHT ILLUMINATED ACCOMPANIED BY HIGH NACELLE TEMPERATURE INDICATIONS. AIRCRAFT ABORTED TAKEOFF AND RETURNED TO GATE. FOUND CRACK IN Y-DUCT AT PYLON AREA. REPAIRED DUCT AND REPLACED HIGH STAGE VALVE AND CONTROLLER, OPERATIONAL CHECK GOOD.