Service difficulty report · Mount · Boeing 75726D

Difficulty date
June 11, 2017
Submitted
September 6, 2017
Operation
Air carrier
Aircraft
N900PC
Make and model
Boeing 75726D
Aircraft serial
28446
Aircraft time
64,526 hours, 27,277 cycles
Engine
Pwa PW2037
Engine time
52,091 hours, 19,612 cycles
Part
Mount
Condition
Damaged
Location
Engine
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING THE ACCOMPLISHMENT OF CMM 71-21-15, REPAIR 1-2, THE SHAFT END JOURNAL OF THE SUBJECT FORWARD ENGINE MOUNT BEAM REQUIRED MACHINING BELOW THE REPAIRABLE LIMIT IN ORDER TO COMPLETELY REMOVE PREVIOUS CHROME PLATING. THE SHAFT END JOURNAL IS BELOW THE MINIMUM LIMITS IAW ERA 561130-14.

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