Service difficulty report · Pump · Boeing 73776Q

Difficulty date
March 6, 2008
Submitted
March 7, 2008
Operation
Air carrier
Aircraft
N853AM
Make and model
Boeing 73776Q
Aircraft serial
33791
Aircraft time
10,999 hours, 5,921 cycles
Engine
Cfmint CFM567B22
Part
Pump
Part number
66087
Part serial
872516
Condition
Leaking
Location
Hyd System
Part time
10,999 hours, 5,921 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 WAS DETECTED A LEAK IN RT ENGINE. TECHNICAL PERSONNEL VERIFIED THE ENGINE AND FOUND A LEAK IN THE HYD PUMP. THE PUMP WAS REPLACED IAW MM 29-11-11 AND HYD TANKS WERE CHECKED IAW TASK 12-12-00-610-801, TESTED CORRECT.

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