Service difficulty report · Retainer · Boeing 737400

Difficulty date
August 24, 2006
Submitted
September 8, 2006
Operation
General aviation
Make and model
Boeing 737400
Engine
Cfmint CFM563C1
Part
Retainer
Part number
1975M84P01
Part serial
52X57819
Condition
Dislodged
Location
Engine
Part time
29,341 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

(REF: 2006FA00008996) DURING STRIP OF ENGINE 857819 FOR SCHEDULED LLP REPLACEMENT IT WAS NOTED THAT THE HPT FORWARD BLADE RETAINER HAD LIBERATED 2 SECTIONS OF MATERIAL, ONG 3.5 INCHES X .8750 INCH AND 1) 2 INCH X .8750 INCH. THE LIBERATED MATERIAL HAD CAUSED MINOR LPT AND HPT IMPACT DAMAGE. MFG HAS BEEN ASKED TO INVESTIGATE THIS DEFECT. (K)

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