SDR 96ZZZX698

Service difficulty report · Strainer

Difficulty date
December 27, 1995
Submitted
March 26, 2000
Operation
General aviation
Filed by
IY2R915K
Lufthansa Technik Engine Services, Inc
Engine
Garrtt TFE731*
Part
Strainer
Part number
89476411
Condition
Mislabeled
Location
Engine Oil
Stage of operation
IN
Nature of condition
W
Precautionary procedure
K

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

What was found

C/W ALLIED SIGNAL SB TFE 731-79-3058, A 'NEW' OIL JET STRAINER P/N 894764-11 INSTALLED TO REPLACE DASH 9 STRAINER. CMPT CONTROLS OIL FLOW TO NR 4 & NR 5 BEARING CAVITY. TWO DASH 11 STRAINERS ORDERED FROM ALLIED SIGNAL. RECEIVING INSPECTION, FOLLOWING NOTED: EXIT ORIFICE OF 2 STRAINERS WERE DIFFERENT SIZES. STRAINER WITH 'SMALL' ORIFICE STAMPED (PERFECTLY ROUND & NO BURRS). STRAINER WITH 'LARGE' ORIFICE DRILLED (HOLE NOT ROUND & BURRED EDGES). NEITHER STRAINER IDENTIFIED, NOR WAS PLASTIC BAG. PKG SLIP DID IDENTIFY BOTH PARTS AS 894764-11 STRAINERS. ENG MFG & BLUEPRINT REVIEWED, STRAINER WITH 'SMALL' ORIFICE IS ACTUALLY A 894764-9 PRINT, & CALLS OUT EACH STRAINER IS TO BE INDIVIDUALLY BAGGED & TAGGED.