Service difficulty report · Floorbeam · Boeing 747230F

Difficulty date
January 7, 2009
Submitted
February 11, 2009
Operation
Air carrier
Aircraft
N490EV
Make and model
Boeing 747230F
Aircraft serial
24138
Aircraft time
84,284 hours, 15,044 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 1580
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

AFT CARGO STA. 1580 LBL 50 FLOORBEAM WEB CRACKED. DAMAGED AREA FASTENERS REMOVED AS PER SRM 51-30-02, AND WEB TRIMMED OFF PER SRM 51-40-02 FIG 1 NDT. CHECKED C/O PER PT6/51-00-00 NO CRACK. FABRICATED NEW WEB PER SRM 51-40-02 FIG 1. ALODINED AS PER BAC 5719. PRIMED AS PER AMM 51-24-01. NEW WEB INSTALLED AS PER SRM 51-30-02 PARA 4