Service difficulty report · Tube · Boeing 75723A

Difficulty date
August 20, 2015
Submitted
August 20, 2015
Operation
Air carrier
Aircraft
N922FD
Make and model
Boeing 75723A
Aircraft serial
24293
Aircraft time
690 hours, 24,173 cycles
Part
Tube
Part number
LJ35801
Condition
Cracked
Location
Rt Engine
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

ON CLIMB OUT THE RT ENG SHOWED LOW FUEL FLOW 3.7 WITH A HIGH EPR 1.71. THE TMC EPR WAS 1.60. PUSHING THE THROTTLE UP TO MATCH FUEL FLOW WITH RT ENG RESULTED IN FUEL FLOW ONLY CHANGING 300 - 400 LBS AN HR TO APP 4.1, WHILE EPR INCREASED TO 1.8 - 1.9 WITH NO INCREASE IN POWER OUTPUT, NOTICEABLE YAW. AIRPLANE COULD NOT CLIMB ABOVE FL220. R & R RT ENG P1 TUBE ASSEMBLY IAW AMM 73-21-04-4.

More about the Boeing 757-23A