Service difficulty report · Doubler · Doug MD11F

Difficulty date
October 11, 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
NCA624485
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 #N01411 - UPON REMOVAL OF DOUBLER NCA 6244-3 FOUND INNER WEB DOUBLER NCA 6244-85 CRACKED (01 EACH OF APPROXIMATELY 0.5" LENGTH). FUSELAGE - MAIN FRAME AT STATION 595 CRACKED WEB DOUBLER NCA 6244-85 CARRIED OUT REPAIR IN ACCORDANCE WITH EA # 1-5310-T0370285P1AND P2 TITLE : FUSELAGE - MAIIN FRAME - CRACKS ON STA 594-875 AFT PRESSURE BULKHEAD DOUBLER & WEB LAYERS AT X= 42 , Z= -109. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.REFER SPECIAL / NONROUTINE MAINTENANCE FORM # N01411 FOR REPAIR DETAILS. ORIG SUB DATE: 10/11/2022

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