Service difficulty report · Fuel Control · Boeing 7372P6

Difficulty date
September 20, 2007
Submitted
September 25, 2007
Operation
Air carrier
Aircraft
N835AL
Make and model
Boeing 7372P6
Aircraft serial
21613
Aircraft time
31,374 hours, 22,031 cycles
Engine
Pwa JT8D15
Engine time
26,745 hours, 19,505 cycles
Part
Fuel Control
Part number
7436025
Part serial
76424
Condition
Failed
Location
Nr 2 Engine
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

NON-ETOPS FLIGHT 90 HNL-KOA, ON TAKEOFF ROLL, THE CREW NOTED THE NR 2 EGT CLIMBING FASTER THAN THE NR 1 EGT. ABORTED THE TAKEOFF AT 100 KTS INDICATED AIRSPEED DUE TO NR 2 ENGINE HIGH EGT. THE CREW RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE CONDUCTED A HIGH POWER RUN OF THE NR 2 ENGINE AND FOUND EGT AND EPR FLUCTUATIONS. THE NR 2 FUEL CONTROL UNIT WAS REMOVED AND REPLACED IN ACCORDANCE WITH PRATT AND WHITNEY M/M 73-21-1. A HIGH POWER RUN WAS COMPLETED PER ALOHA MAINTENANCE TASK FORM M-215 WITH ALL CHECKS SATISFACTORY. THE AIRCRAFT WAS RETURNED TO SERVICE.

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