Service difficulty report · Floor Support · Boeing 7572Y0

Difficulty date
June 8, 2010
Submitted
June 15, 2010
Operation
Air carrier
Aircraft
N930FD
Make and model
Boeing 7572Y0
Aircraft serial
25240
Aircraft time
57,415 hours, 17,967 cycles
Part
Floor Support
Part number
BAC1515553
Condition
Corroded
Location
Bs 1180-1291
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

MAIN DECK FLOOR RT SHEAR WEB INBD SUPPORT ANGLE SRA 1180 TO 1291 HAS CORROSION AND CHAFE MARKS NEAR FASTENER HOLES. REMOVED FASTENERS IAW SRM 51-40-02. REMOVED CORROSION IAW SRM 51-10-02. CHECKED LIMITS AND FOUND OUT OF LIMITS IAW SRM 53-60-13, FIG 101, DETAIL 3, PAGE 103; ORIG. MATL. = .080", REMAINING = .048", LOSS = .032". REMOVED SPLICE IAW SRM 51-40-02. REMOVED INBD ANGLE IAW SRM 51-40-02. FABRICATED INBD ANGLE, PN 1805485/ BAC 1515-553, LOCATED & DRILLED, TREATED & PRIMED IAW SRM 51-40-05 / 51-21-01. NEW INBD ANGLE MADE FROM BAC 1515-553 EXTRUSION. INSTALLED NEW INBD ANGLE, AND SPLICE IAW SRM 51-40-02, AT BS 1180-1290, LBL 64. MAJOR REPAIR.

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