Service difficulty report · Intercostal · Doug MD11F

Difficulty date
June 24, 2023
Submitted
June 26, 2023
Operation
Air carrier
Aircraft
N521FE
Make and model
Doug MD11F
Aircraft serial
48478
Aircraft time
87,425 hours, 16,787 cycles
Part
Intercostal
Part number
AJC75823
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
V
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

EMPENNAGE-DURING SKIN REPLACEMENT FOUND LEFT HAND INTERCOSTAL FORWARD EDGE CRACKS BETWEEN STATION 2140-2144 REAR CENTER SPAR TO REAR SPAR AREA. EMPENNAGE LEFT HAND INTERCOSTAL FORWARD EDGE CRACKED 0.3" BETWEEN STATION 2140- 2144 REAR CENTER SPAR TO REAR SPAR AREA REPAIRED AS PER MD-11 SRM 55-30-02-2R FIGURE 201 REPAIR 7. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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