Service difficulty report · Longeron · Doug MD11F

Difficulty date
October 9, 2023
Submitted
October 9, 2023
Operation
Air carrier
Aircraft
N522FE
Make and model
Doug MD11F
Aircraft serial
48476
Aircraft time
89,191 hours, 17,597 cycles
Part
Longeron
Part number
ACA37962
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

DURING ACCOPLISHMENT OF SNRM NO: N00708, HIGH FREQUENCY EDDY CURRENT INSPECTION CARRIED OUT AND FOUND ADDITIONAL 02EA CRACK APPROXIMATELY 0.25 INCH AND 0.5 INCH AS MARKED PROPAGATE FROM THE LOWER FASTENER HOLE OF LOWER INTERNAL LONGERON REVEAL BY THE TRIMMED OUT AREA AT RIGHT HAND NOSE LEADING GEAR TRUNNION FITTING AFT OF NOSE LEADING GEAR DOOR AFT HINGE SLOT OUT AREA AT STATION 583. CRACKED LONGERON AT RIGHT HAND NOSE LANDING GEAR TRUNNION FITTING AFT OF NOSE LANDING GEAR DOOR STATION 583 REMOVED AND REPLACED IN ACCORDANCE WITH SRM 51-31- 01-0G. LONGERON FABRICATED IN ACCORDANCE WITH DOUGLAS DRAWING # ACA 3796 REVISION A. REPAIR CLASSIFIED AS MAJOR AS PER GMM 6-2-100.

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