Service difficulty report · Pipe · Mooney M20K

Difficulty date
May 23, 2000
Submitted
July 7, 2000
Operation
General aviation
Aircraft
N48LW
Make and model
Mooney M20K
Aircraft serial
252021
Engine
Cont TSIO360SB
Part
Pipe
Part number
649264
Condition
Cracked
Location
Att Flange Nr 4
Part time
434 hours
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

DISCOVERED HEAVY STAIN AT FLANGE END OF INDUCTION TUBE DURING ROUTINE OIL CHANGE. REMOVED FLANGE RETAINER AND FOUND PIPE CRACKED APPROXIMATELY ONE-HALF DIAMETER. CONTINENTAL HAS RECENTLY ISSUED SB 98-8 WHICH RECOMMENDED REPLACEMENT OF ONE-PIECE PIPES FOR CYLINDERS NR 1 AND NR 3. THIS PIPE WAS FOR CYLINDER NR 4. SUBMITTER RECOMMENDED REPLACEMENT OF CYLINDERS NR 2 AND NR 4 PIPES WITH 2-PIECE STYLE AS WELL. LENGTH OF PIPE IS TOO MUCH FOR FLANGE STRENGTH.

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