SDR 98ZZZX3158

Service difficulty report · Seal Kit

Difficulty date
June 23, 1998
Submitted
March 26, 2000
Operation
General aviation
Engine
Allsn 250C30
Part
Seal Kit
Part number
23008014
Condition
Leaking
Location
Engine
Component
23001643
Stage of operation
IN
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

UPON ASSEMBLY, PRESSURED UP NR 1 SEAL AREA WITH ENGINE OIL TO CHECK FOR LEAKAGE AND FOUND SEAL WOULD NOT HOLD (EXCESSIVE LEAKAGE PAST SEAL). SUSPECT HEIGHT OF CARBON SEAL TOO LOW TO SEAL PROPERLY AGAINST MATING RING.