Service difficulty report · Seal · Boeing 737752

Difficulty date
September 25, 2011
Submitted
October 4, 2011
Operation
Air carrier
Aircraft
N855AM
Make and model
Boeing 737752
Aircraft serial
33792
Aircraft time
22,948 hours, 12,219 cycles
Engine
Cfmint CFM567B22
Part
Seal
Part number
3051157090
Condition
Damaged
Location
Rt Engine Oil
Part time
23,035 hours, 12,261 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 IT WAS DETECTED AN OIL LEAK IN THE RT ENGINE IDG DRAIN SEAL; SO THE RT ENGINE IDG GEARBOX MAGNETIC CARBON SEAL WAS REPLACED IAW MM 72-60-00 AND DRY MOTOR LEAK TEST WAS PERFORMED IAW MM 71-00-00, TESTED CORRECT.