Service difficulty report · Rib · Doug DC873F

Difficulty date
October 27, 2010
Submitted
December 7, 2010
Operation
Air carrier
Aircraft
N801DH
Make and model
Doug DC873F
Aircraft serial
46033
Aircraft time
88,576 hours, 34,008 cycles
Engine
Ge CFM562C
Part
Rib
Condition
Cracked
Location
Lt Wing Te Flap
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

LT INBD FLAP.- RIB CRACKED AND WITH IMPROPER REPAIR, STA XW 125.000. PERFORMED MAJOR REPAIR IAW SRM 57-7-1 FIG 2, SHEET 4, ITEM "Q". REMOVED DAMAGED RIB IAW SRM 57-1-0 PG 1, SRM 51-1-21, SRM 51-3-0, SRM 51-1-20D. CLEANED, TREATED AND PRIMED AREA + NEW RIB IAW SRM 51-1-8B. INSTALLED NEW RIB IAW SRM 51-1-21, SRM 51-3-0, SRM 51-1-20D, SRM 51-3-1 (TORQUE) (TORQUE WRENCH: SNAP ON, MODEL: QD150, SN: 0506700056). REF TO NR 239473 FOR LT INBD FLAP REMOVAL + REINSTALLATION.

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