SDR MZZA98021

Service difficulty report · Floorbeam · Boeing 7272F9

Difficulty date
December 23, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N75429
Make and model
Boeing 7272F9
Aircraft serial
21427
Part
Floorbeam
Part number
65163169
Condition
Corroded
Location
Bs 344
Stage of operation
IN
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

KUL - FLOORBEAM AT STATION 344 FROM LBL10 TO LBL150 HAS SURFACE CORROSION ON THE HORIZONTAL FLANGE, UPPER AND LOWER SURFACE AT SEVERAL LOCATIONS. CORROSION REMOVED IAW RM 51-10-6, CLEANUP DIMENSION OF .020 INCH BY 3 INCH BY 2 INCH IS FOUND TO BE OUT OF LIMIT IAW SRM 53-10-1. REMOVED FASTENERS ATTACHING FLOORBEAM UPPER CHORD IAW SRM 51-30-2. INSTALLED FASTENERS WITH NEW FLOORBEAM UPPER CHORD FROM LBL 50 TO RBL 50 IAW SRM 51-30-2. (M)

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