Service difficulty report · Beam · Doug DC871F

Difficulty date
September 12, 2004
Submitted
October 8, 2004
Operation
Air carrier
Aircraft
N772UP
Make and model
Doug DC871F
Aircraft serial
46072
Aircraft time
68,469 hours, 45,463 cycles
Part
Beam
Condition
Cracked
Location
Press Bulkhead
Stage of operation
IN
How discovered
9
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

INSPECTION TYPE:C3 AFT SIDE OF AFT PRESSURE BULKHEAD 4TH J-BEAM UP FROM BOTTOM HAS LOWER EXISTING DOUBLER CRACKED AT CENTERLINE. NDT VERIFIED CRACK IN LOWER EXISTING DOUBLER IS 2 INCHES IN LENGTH. REMOVED EXISTING REPAIR DOUBLERS. NDT VERIFIED 2 INCH CRACK IN J-BEAM TERMINATES AT FASTENER HOLE AND STOPDRILL. FABRICATED AND INSTALLED TWO REPAIR DOUBLERS IAW EO DC8-5310-6598-C.

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