Service difficulty report · Rib · Doug MD11F

Difficulty date
February 21, 2023
Submitted
February 21, 2023
Operation
Air carrier
Aircraft
N572FE
Make and model
Doug MD11F
Aircraft serial
48755
Aircraft time
80,764 hours, 17,418 cycles
Part
Rib
Part number
ARB192612
Condition
Cracked
Location
Zone 600
Stage of operation
IN
How discovered
B
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

WHILE CARRIED OUT INTERNAL BORESCOPE INSPECTION ON RIGHT HAND NUMBER 8 SLAT LOOSE RIVETS AREA (SNRM N00487), FOUND THE SLAT INTERNAL RIB CRACK AT STATION XOS 1050.641. CRACKED RIB AT RIGHT HAND NUMBER 8 SLAT LOOSE RIVETS AREA (SNRM N00487) INTERNAL STATION XOS 1050.641 REPAIRED AS PER EA # 1-5750-T0373039 P1 TITLE: WINGS - FLIGHT SURFACES - RH WING SLAT NO.8 - 12EA RIBS FOUND CRACKED - FABRICATION AND REPLACEMENT - RSC TRACKING. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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