Service difficulty report · Rib · Doug DC873F

Difficulty date
September 27, 2004
Submitted
October 13, 2004
Operation
Air carrier
Aircraft
N801DH
Make and model
Doug DC873F
Aircraft serial
46033
Aircraft time
81,349 hours, 31,015 cycles
Engine
Ge CFM562C
Part
Rib
Part number
5656226
Condition
Cracked
Location
Rudder
Part time
81,349 hours, 31,015 cycles
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

RUDDER RIB CRACKED 1.000 ZR 105.000 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW SRM 55-1-0 PG.1, DWG 5656226. REMOVED CRACKED RIB IAW SRM 51-1-21 PG. 1. FABRICATED NEW RIB IAW SRM 55-6-1 PG.4 FIG.2 SHEET 2 DWG 5656226, SRM 51-1-4 PG.1. DPS 3.69-4. PERFORMED HEAT TREATMENT IAW SRM 51-1-1 PG 1-13-17, DPS 7.00-1. PERFORMED NDT INSPECTION IAW NDT SPM PART 08-00-02/07. CLEANED, TREATED AND PRIMED AREA AND RIB IAW SRM 51-1-8B. INSTALLED NEW RIB IAW SRM 51-1-21 PG.1, SRM 51-1-20D.

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