Service difficulty report · Door Frame · Doug DC871F

Difficulty date
December 30, 2006
Submitted
January 15, 2007
Operation
Air carrier
Aircraft
N744UP
Make and model
Doug DC871F
Aircraft serial
45944
Aircraft time
76,629 hours, 50,136 cycles
Part
Door Frame
Condition
Cracked
Location
Fuselage
Stage of operation
IN
How discovered
9
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

INSPECTION TYPE:C2 HFEC INSP DETECTED A .156" CRACK ON THE UPPER FWD CORNER OF THE B-PIT DOOR JAMB. CUT OUT DAMGED AREA AT THE UPPER FWD B-PIT DOOR JAMB IAW SRM 53-2-0 FIG 20. FABRICATED AND INSTALLED FILLERS, DOUBLER AND TRIPLER AT THE UPPER FWD B-PIT DOOR JAMB CORNER IAW SRM 53-2-0 FIG 20. THIS REPAIR REQUIRES A UPS MPI AND DAMAGE TOLERENCE INSP INITIAL AT 12,000 CYCLES AND REPETITVE INSP AT EVERY 4,000 CYCLES IAW TR NR 543-186.

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