SDR UPS01437123

Service difficulty report · Fitting · Boeing 747121

Difficulty date: September 8, 2001
Submitted: October 22, 2001
Operation: Air carrier
Aircraft: N681UP
Make and model: Boeing 747121
Aircraft serial: 19661
Aircraft time: 97,510 hours, 25,124 cycles
System (JASC): 5343 · Fuselage, Landing Gear Attach Fittings
Part: Fitting
Condition: Corroded
Location: Fuselage
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

INSPECTION TYPE:C FX EXTERIOR LT S38L DRAG FITTING MOUNT BOLT HOLES FOUND CORROSION AT BS 980 - 990 AREA. LT S38L DRAG FTG 3 CORROSION BOLT HOLES AT BS 980 - 990 AREA CLEANED UP AND INSTALLED WITH 3 SLEEVE BOLTS. ALSO 1 SKIN AREA ATTACHMENT BOLT ADJACENT FWD SLEEVE BOLT AREA WAS REPLACED BY ANOTHER SLEEVE BOLT TO PREVENT INTERFERENCE PROBLEM AS PER HX RS NR R 53-43-34686 SPLICE FITTING REPAIR REQUIREMENT.