SDR UPS08M53103

Service difficulty report · Rib · Doug MD11F

Difficulty date: August 2, 2008
Submitted: August 21, 2008
Operation: Air carrier
Aircraft: N283UP
Make and model: Doug MD11F
Aircraft serial: 48484
Aircraft time: 53,491 hours, 10,475 cycles
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Rib
Condition: Cracked
Location: Rt Wing
Stage of operation: IN
How discovered: 9
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

INSPECTION TYPE:C RT WING LOWER WINGLET FWD RIB FOUND CRACKED AS MARKED. CRACKED RIB REMOVED PER SRM 51-31-01 V2 R40. NEW RIB FAB PER BOEING DRWG ARB7774 USING MATL 7075-0-0.040". RIB HEAT TREATED TO T6 PER DPS7.00-1 HARDNESS VALUE OBTAINED HRB80.1 PER DPS1.053. NEW RIB HOLES P/UP&NEW RIB PROTECTED PER SRM 51-21-01 V2 R40. NEW RIB INSTALLED PER SRM 51-31-01 V2 R40. PAINT TOUCH UP ON REPAIRED AREA PER SRM 51-21-02 V2 R40.

More about the Doug MD-11F