SDR UPS05443949

Service difficulty report · Channel · Boeing 747123

Difficulty date: February 10, 2005
Submitted: February 28, 2005
Operation: Air carrier
Aircraft: N676UP
Make and model: Boeing 747123
Aircraft serial: 20101
Aircraft time: 80,944 hours, 22,482 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Condition: Corroded
Location: Fuselage
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, BS 1440, RBL 80-99 FLOOR SUPPORT U-CHANNEL ANCHOR NUTS AREA UPPER AND LOWER FACE FOUND CORROSION. CORROSION BLEND OUT 0.045 X 1 X 1 INCH EXCEED SRM 53-10-01 FIG 1, LIMIT. FLOOR SUPPORT U-CHANNEL REPLACED AS PER SRM 51-10-01 PG 9.