Service difficulty report · Doubler · Doug MD11F

Difficulty date
September 8, 2022
Submitted
October 13, 2022
Operation
Air carrier
Aircraft
N588FE
Make and model
Doug MD11F
Aircraft serial
48490
Aircraft time
92,791 hours, 20,853 cycles
Part
Doubler
Part number
NCA62443
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
E
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

REFERENCE TO SNRM # N01369 HIGH FREQUENCY EDDY CURRENT OPEN HOLE INSPECTION CARRIED OUT ON ACCESSED FASTENER HOLES WITHIN THE AREA OF THE REMOVED NCA6244-3 DOUBLER FOOTPRINT AREA AT STATION 595 AND FOUND 03 EACH HOLES WITH CRACK INDICATION. FUSELAGE - MAIN FRAME AT STATION 595 CRACKED AT AFT PRESSURE BULKHEAD DOUBLER AND WEB CARRIED OUT REPAIR IN ACCORDANCE WITH EA#1-5310-T0370285 PART 1 AND PART 2. TITLE: FUSELAGE - MAIN FRAME - CRACKSON STA 594.875 AFT PRESSURE BULKHEAD DOUBLER & WEB LAYERS AT X=42, Z=-109. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100. ORIG SUB DATE: 10/5/2022

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