What was found
DURING THE "C4/A4 CHECK" WHILE COMPLYING WITH SB-53A2459 REV. 1, CRACK DAMAGE WAS DETECTED AT AT RBL 72 IN 65B10928-58 FLOORBEAM WEB. REPAIRED DAMAGED IAW REPAIR SRM 53-10-07, FIG 11.
- Difficulty date
- June 20, 2011
- Submitted
- July 6, 2011
- Operation
- Air carrier
- Aircraft
- N517MC
- Make and model
- Boeing 747243B
- Aircraft serial
- 23300
- Aircraft time
- 91,897 hours, 15,722 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Cracked
- Location
- Bs 360
- 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.