SDR DHL2005803534

Service difficulty report · Floorbeam · Doug DC873

Difficulty date: December 3, 2005
Submitted: January 3, 2006
Operation: Air carrier
Aircraft: N803DH
Make and model: Doug DC873
Aircraft serial: 46123
Aircraft time: 82,180 hours, 30,262 cycles
Engine: Ge CFM562C
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Misdrilled
Location: Bs 960
Part time: 82,180 hours, 30,262 cycles
Stage of operation: IN
How discovered: V
Nature of condition: W
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WING CTR SECTION FLOORBEAM HOLES (2EA) MISDRILLED STA 960.000 LBL 9.625 INCH, LBL 15.250 INCH(MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW FAA FORM 8110-3 DATE 11-30-05 DWG AA33-53-R05 REV JR DATE 11-22-05. DRILLED MISDRILLED HOLES (2EA) TO 0.250 INCH AND 0.290 INCH AND FABRICATED REPAIR STRAP (7075T6 511 0.250 INCH) IAW DWG AA33-53-R05. CLEANED, TREATED AND PRIMED AREA AND REPAIR STRAP IAW SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW SRM 51-1-11. INSTALLED REPAIR STRAP IAW DWG AA33-53-R05, SRM 51-1-21, SRM 51-1-20D, SRM 51-3-1.

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