SDR FDEA202510021871

Service difficulty report · Longeron Splice · Doug MD11F

Difficulty date: October 2, 2025
Submitted: October 2, 2025
Operation: Air carrier
Aircraft: N574FE
Make and model: Doug MD11F
Aircraft serial: 48499
Aircraft time: 101,045 hours, 24,018 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Longeron Splice
Part number: A6A7115507
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

CAC COMPARTMENT APPROXIMATE BS 1159, LONGERON 47LT SPLICE, SUSPECT CRACK. CRACKED SPLICE AT BS 1159 TO BS 1129/6-100, L47L REMOVED IAW SRM 51-31-01-0G. SPLICE FABRICATED IAW DRAWING A6A7115 REVISION J. FABRICATED SPLICE INSTALLED IAW SRM 51-31-01-0G. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100.

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