Service difficulty report · Floor Support · Boeing 7472D7B

Difficulty date
June 27, 2010
Submitted
July 6, 2010
Operation
Air carrier
Aircraft
N523MC
Make and model
Boeing 7472D7B
Aircraft serial
21782
Aircraft time
100,703 hours, 20,573 cycles
Engine
Ge CF650*
Part
Floor Support
Condition
Cracked
Location
Bs 910-1000
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

NRC 0925 'MAIN DECK FLOOR OMEGA' CRACK ON OMEGA LBL 75, CHANNEL BETWEEN STA 910 TO 1000 AND TWIST. (DAMAGED AREA TRIMMED OUT, REINFORCED AREA WITH NEW OMEGA AND SPLICE PN N523MC, NRC 925 1/2 IAW SRM 53-10-05, FIG 19. FASTENER INSTL IAW SRM 51-30-02).

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