Service difficulty report · Seal

Difficulty date
July 24, 2018
Submitted
July 27, 2018
Operation
General aviation
Engine
Ge GE9094B
Engine time
43,361 hours, 12,000 cycles
Part
Seal
Part number
1847M94P03
Part serial
CAV47712
Condition
Cracked
Location
Engine
Part time
37,661 hours, 9,349 cycles
Stage of operation
IN
How discovered
V
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

THE FWD SEAL EXHIBITS A THROUGH CRACK FROM THE OUTER EDGE OF THE STAGE 1 BLADE RETAINER RADIALLY THROUGH TO THE INNER DIAMETER BAYONET. THE CRACK HAS DISTORTED BOTH HALVES OF THE FORWARD SEAL AND IS VISIBLE WITHOUT ANY MAGNIFICATION AIDS.