Service difficulty report · Floorbeam · Boeing 7572B7

Difficulty date
January 14, 2010
Submitted
January 14, 2010
Operation
Air carrier
Aircraft
N909FD
Make and model
Boeing 7572B7
Aircraft serial
27200
Aircraft time
52,338 hours, 21,726 cycles
Part
Floorbeam
Part number
143N50168
Condition
Corroded
Location
Zone 100
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

FLOORBEAM UPPER CAP CORRODED AT STA 740 BETWEEN RBL 54.9 AND APPROX RBL 72.0. (INTERFERS WITH MAE P TO F CONVERSION) AT BS 740 RBL 54-9-RBL 72.0. FLOOR BEAM REPAIR WAS ACCOMPLISHED DUE TO DISCREPANCY EFFECTING THE PTF CONVERSION ON MAE MOD W/C 118350441BZ2R04, 42606890001 AND MAE EA 757-5335-16-F2402 REV - DATED 11/16/2009. THIS NON-ROUTINE IS FOR TRACKING PURPOSES ONLY. CATEGORY "A" MAJOR ALTERATION.

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