Service difficulty report · Seat Track · Boeing 74747UF

Difficulty date
March 2, 2025
Submitted
March 6, 2025
Operation
Air carrier
Aircraft
N499MC
Make and model
Boeing 74747UF
Aircraft serial
29260
Aircraft time
100,234 hours, 17,104 cycles
Part
Seat Track
Condition
Corroded
Location
Zone 200
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

CORROSION ON SEAT TRACK/FLOOR BEAM AT RBL 11.33 AMD STA 1710 AFT CARGO COMPARTMENT.(<P STYLE="MARGIN-BOTTOM: .0001PT; LINE-HEIGHT: NORMAL;">REPLACED 2 SECTIONS OF SEAT TRACKS FROM PREVIOUS REPAIR STA. 1610 TO 1766.5 TO FACTORY SPLICE AND SECOND SECTION FROM 1766.5 TO STA 1910 TO PREVIOUS REPAIR SPLICE RBL 11.33 PER B747 SRM 53-00-52-2R-12 REPAIR 12. <SPAN>NO FURTHER DEFECTS NOTED.

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