SDR CA010626024

Service difficulty report · Duct · Boeing 757236

Difficulty date: April 30, 2001
Submitted: July 5, 2001
Operation: General aviation
Make and model: Boeing 757236
Aircraft time: 32,266 hours
Engine: Rroyce RB211535E437
System (JASC): 7830 · Engine Thrust Reverser
Part: Duct
Part number: 312N53217
Condition: Leaking
Location: Joint Sleeve
Component: Electrical Harne · Boeing · LJ76579
Stage of operation: NR
Nature of condition: J
Precautionary procedure: H

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

What was found

(CAN) #1 ENG THRUST REVERSER DEACTIVATED AS PER MEL. INVESTIGATION FOUND THE PYLON MOUNTED FAN THRUSR REVERSER ELECTRICAL HARNESS PN LJ6579 AND LJ 76580 MELTED AND HEAVELY DAMAGED. HOT AIR LEAK FROM HP2 ANDHP7 BLEED AIR DUCT PN 312N5321-7 AND 312N5306-1 ALSO CAUSED LH THRUST REVERSER HYD LINES AND PROTECTION SLEEVE TO OVERHEAT. #1 THRUST REVERSER UPPER FEEDBACK CABLE FOUND DAMAGED AND SEIZED AND FAILED THE STIFFNESS CHECK, PARTS REPLACED.