SDR UPS03441106

Service difficulty report · Support · Boeing 747123

Difficulty date: July 20, 2003
Submitted: August 29, 2003
Operation: Air carrier
Aircraft: N676UP
Make and model: Boeing 747123
Aircraft serial: 20101
Aircraft time: 77,950 hours, 21,828 cycles
System (JASC): 5740 · Wing, Attach Fittings
Part: Support
Condition: Corroded
Location: Actuator Mount
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, LT WING NR 9 VC FLAP I/B ARM O/B ROTARY ACTUATOR SUPPORT RIB ACTUATOR MOUNTING SCREW HOLE NR 1 AND NR 4 FOUND SCRATCH MARK (LOOKING O/B AND COUNT FROM TOP CW). SCREW HOLE NR 4 CORROSION REMOVED IAW SRM 57-20-03, SCREW HOLE NR 1 REPAIRED IAW RS R57-41-35047 AND EO B747-5740-19059-A. REPEAT INSP REQ AT EVERY C-CHECK INTERVAL, NOT TO EXCEED 18 MONTHS IAW EO B747-5740-19059-A.