SDR UPS04443051

Service difficulty report · Floor Support · Boeing 747200

Difficulty date: August 19, 2004
Submitted: September 7, 2004
Operation: Air carrier
Aircraft: N520UP
Make and model: Boeing 747200
Aircraft serial: 1
Aircraft time: 77,131 hours, 17,128 cycles
Engine: Pwa JT9D7Q
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
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, U/D BS 405-440 LBL 75-78, FLOOR SUPPORT ANGLE CORROSION FOUND. CORROSION REMOVED IAW SRM 51-10-01, CORROSION BLEND OUT 0.050 INCH X 2 INCHES X 2 INCHES EXCEED SRM 53-10-01 FIG 1 LIMITS, U/D BS 435- BS 440 FLR SUPPORT ANGLE REPAIRED REF SRM 51-40-04 FIG 3, CIC APPLIED IAW EO M-5100-2780-E.

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