SDR ASAA0956125

Service difficulty report · Shim · Boeing 737890

Difficulty date: July 1, 2009
Submitted: July 7, 2009
Operation: Air carrier
Aircraft: N562AS
Make and model: Boeing 737890
Aircraft serial: 35091
Aircraft time: 10,774 hours, 3,286 cycles
Engine: Cfmint CFM567B26US
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Shim
Part number: 3402523060
Condition: Worn
Location: Engine Fan Blade
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

WHILE ACCOMPLISHING FAN LUBE TC 78472002 NR 2 ENG SN 894 258 FOUND EXCESS MOLYDAG COATING WORN ON ALL 24 SHIMS. REF STEP 56 ON TC GROUNDED YES. REMOVED 24 EACH FAN BLADE SHIMS PN 340 252 306 0 AND INSTALLED 24 EACH NEW SHIMS PN 340 252 307 0. REF TC 78472002 STEP 56.