Service difficulty report · Rib · Doug DC873F

Difficulty date
July 16, 2007
Submitted
August 29, 2007
Operation
Air carrier
Aircraft
N804DH
Make and model
Doug DC873F
Aircraft serial
46124
Aircraft time
85,412 hours, 30,822 cycles
Part
Rib
Condition
Cracked
Location
Nr 1
Part time
85,412 hours, 30,822 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

NR 1 STUB WING RIB JOINT ANGLE CRACKED 0.750", STA XFS 529.000. REMOVED CRACKED ANGLE IAW SRM 51-1-21. FABRICATED NEW ANGLE (AL7075"0" 0.080") IAW DWG NR 9753297. HEAT TREATED FROM AL7075"0" TO 7075T6 IAW SRM 51-1-1 PG 1-13-17. CLEANED, TREATED AND PRIMED AREA AND NEW ANGLE IAW SRM 51-1-8B. INSTALLED NEW ANGLE IAW SRM 51-1-21.

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