Service difficulty report · Heater · Boeing 73776Q

Difficulty date
April 20, 2010
Submitted
April 23, 2010
Operation
Air carrier
Aircraft
N997AM
Make and model
Boeing 73776Q
Aircraft serial
30283
Aircraft time
24,527 hours, 14,869 cycles
Engine
CFM567B20
Part
Heater
Part number
118411934
Part serial
YY081640Y
Condition
Leaking
Location
Fuel System
Part time
20,112 hours, 11,953 cycles
Stage of operation
IN
How discovered
9
Nature of condition
K
Precautionary procedure
K

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

What was found

DURING TRANSIT CHECK, A FUEL LEAK WAS DETECTED IN THE RT ENGINE. ACFT WAS SENT TO THE HANGAR AND MX PERSONNEL PERFORMED AN ENGINE RUN TEST IAW MM 71-00-00, CONFIRMING THAT THE FUEL LEAK WAS WITHIN LIMITS IAW MM 71-71-00. ADDITIONALLY, AN OIL LEAK WAS FOUND IN THE OIL/ FUEL HEAT EXCHANGER OF LT ENGINE, SO IT WAS REPLACED IAW MM 79-21-02, TESTED CORRECT.

TONY: ENG CFM567B20 SHOWS IN JP MANUAL/ NOT IN DROP DOWN

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