Service difficulty report · Autothrottle Sys · Boeing 737247

Difficulty date
October 9, 2003
Submitted
October 24, 2003
Operation
Air carrier
Aircraft
N379DL
Make and model
Boeing 737247
Aircraft serial
23606
Aircraft time
43,040 hours, 33,831 cycles
Engine
Pwa JT8D15A
Engine time
44,887 hours, 27,704 cycles
Part
Autothrottle Sys
Condition
Failed
Location
Nr 1 Engine
Stage of operation
CL
How discovered
O
Nature of condition
Y, J
Precautionary procedure
A

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

What was found

ON T/O ROLL AFTER TOGA THROTTLES REQUIRED MANUAL SET WITH NORMAL FD/AP/AT. F/O TURNED THROTTLE OVER TO CAPT NR 1 AND 2 THROTTLES SPLIT WITH AN INCREASE ON 1. EGT WENT UP TO 630 ON NR 1 WITH A 2.12 SETTING 2.1 AT SET. NR 2 WAS AT 2.04. EVENED THROTTLES AT 2.10 W/STD OPS. 630 IN EXCESS FOR T/O LIMIT. INSPECTED NR 1 ENG PER M/M FOR EGT, NO ACTION REQUIRED M/M. AUTO THROTTLES FWD TO MCO AND PLAC PER MEL 22-00-04. PULLED AND SECURED AUTO THROTTLE AC AND DC C/BS PER MEL.