Service difficulty report · Structure · Doug DC873F

Difficulty date
March 18, 2008
Submitted
March 27, 2008
Operation
Air carrier
Aircraft
N805DH
Make and model
Doug DC873F
Aircraft serial
46125
Aircraft time
84,609 hours, 31,089 cycles
Part
Structure
Condition
Damaged
Location
Fuselage
Part time
84,609 hours, 31,089 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

"D" BELLY, FWD LOWER CORNER REPAIR C/W IAW SR08530021 AT SEMANS, HOWEVER, INCORRECT STEEL FASTENERS ARE INSTALLED. REPLACE WITH TITANIUM AS REQUIRED AND ENSURE REPAIR IS IAW SR08530019 AND AD. PERFORMED MAJOR REPAIR IAW FAA FORM 8100-9 DATED 03-07-08, AD2005-18-07, S/B DC8 53-078 DOUGLAS DWG NR SR08530019, SEMAN DWG ED-4720 DATED 02-26-08. REMOVED EXISTING NON STANDARD REPAIR IAW SRM 51-1-21, SRM 51-1-20D. FABRICATED EXTERNAL REPAIR DOUBLER (AL7075T6 0.090") EXTERNAL REPAIR TRIPLER (AL7075T6 0.125") AND FILLER (AL7075T6 0.071") IAW SEMAN DWG ED 47-20, DOUGLAS DWG NR SR08530019. CLEANED, TREATED AND PRIMED AREA AND REPAIR PARTS IAW SRM 51-1-8B. INSTALLED REPAIR PARTS IAW SEMAN DWG NR ED-4720, DOUGLAS DWG NR SR08530019, SRM 51-1-11, SRM 51-1-21, SRM 51-1-20D, SRM 51-3-1 (TORQUE) (INITIAL INSP: 17.000 CYCLES FROM INSTALLATION OF REPAIR, REPETITIVE: AT EACH 4.400 CYCLES FROM INITIAL, INSPECTION METHOD: PER DOCUMENT SN08530001. THIS IS A PERMANENT REPAIR) NEXT INSP AT 48.089 CYCLES.

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