Service difficulty report · Frame · Doug MD11

Difficulty date
February 12, 2008
Submitted
April 14, 2008
Operation
Air carrier
Aircraft
N294UP
Make and model
Doug MD11
Aircraft serial
48472
Aircraft time
62,889 hours, 8,989 cycles
Part
Frame
Condition
Cracked
Location
Bs 449
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:C FAC AFT COMPARTMENT AT STA 449.250 FOUND CRACKED FRAME STRUCTURE JUST BELOW NR 1 RAM AIR INLET SCOOP AFT SECTION AS MARKED. DAMAGE AT RETURN FLANGE TRIM OFF PER EN1071-08. HFEC INSP C/OUT PER DAC NDTSPM R.13 PART06.10.01.001 FOUND NO CRACK EVIDENT. REPAIR DOUBLER AND CLIP FAB PER EN1071-08 AND HEAT TREATED PER DPS 7.00-1. REPAIR DOUBLER HARDNES HRB82 CLIP HARDNESS HRB81.6 ACCEPTABLE PER DPS1.05.3. REP DOUBLER AND CLIP PROTECTED PER SRM 51-21-01V.2R.40. REPAIR DOUBLER AND CLIP INSTALLED PER EN1071-08.

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