Service difficulty report · Bearing · Boeing 74748EF

Difficulty date
December 15, 2010
Submitted
December 16, 2010
Operation
Air carrier
Aircraft
N419MC
Make and model
Boeing 74748EF
Aircraft serial
28367
Aircraft time
65,498 hours, 11,084 cycles
Part
Bearing
Condition
Damaged
Location
Cargo Door
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

DURING A-CHECK, WEAR WAS FOUND IN THE NOSE CARGO DOOR - 2L INTERCOSTAL LATCH FITTING BEARING (REF FIG 1). BEARING (PN KPW19-1P) HAS A DENT (SMALL CHIP BROKEN OUT FROM BEARING) MEASURING: 0.224 INCH WIDTH AND 0.10 INCH DEPTH. THE DENT EXCEEDS THE AMM 52-31-06, FIG 601, WEAR LIMITS. (DISPOSITION WAS MADE TO PERFORM A TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS IAW SRM 51-10-02, SCHEDULE REPEAT INSPECTIONS PRIOR TO EACH FLIGHT AND PERMANENT REPAIR WITHIN 50 CYCLES AFTER PART 1.)

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