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 PRESSURE BULKHEAD AFT SIDE 3RD J-BEAM UP FROM BOTTOM CRACKED AT BO BOTH UPPER & LOWER EXISTING DOUBLERS AT CENTERLINE WITH UPPER FLANGE HANS SHEARED & LOOSE FASTENERS. NDT VERIFIED CRACK IN BOTH UPPER & LOWER J-BEAM DOUBLERS IS 2 INCHES IN LENGTH. REMOVED EXISTING REPAIR DOUBLERS. NDT VERIFIED CRACK IN J-BEAM IS TERMINATED AT EXISTING STOPDRILLS. FABRICATED AND INSTALLED TWO REPAIR DOUBLERS IAW EO DC8-5310-6598-C.

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