SDR DHL2006807506

Service difficulty report · Frame · Doug DC873F

Difficulty date: November 7, 2006
Submitted: November 23, 2006
Operation: Air carrier
Aircraft: N807DH
Make and model: Doug DC873F
Aircraft serial: 45990
Aircraft time: 89,216 hours, 27,811 cycles
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Frame
Condition: Cracked
Location: Lt Wing
Part time: 89,216 hours, 27,811 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

LT WING CTR L/E UPPER FORMER 1" CRACK STA XS 515.000. REMOVED FASTENERS IAW SRM 51-1-21. PERFORMED STOP HOLE AND FABRICATED (2EA) ANGLE DOUBLER IAW SRM 57-2-0 PG 9-10 (AL7075"0" 0.080") IAW SRM 57-3-0 PG 30. PERFORMED HEAT TREATMENT FROM 7075"0" TO 7075T6 IAW SRM 51-1-1 PG 1, 13, 17. CLEANED, TREATED AND PRIMED AREA AND DOUBLER ANGLE IAW SRM 51-1-8B. INSTALLED ANGLE DOUBLERS IAW SRM 57-2-0 PG 9-10, SRM 51-1-21, SRM 51-3-0, SRM 51-3-1 (TORQUE).

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