What was found
INSPECTION TYPE:C M/D BS 420 S14ER FRAME FOUND CRACKED AS MARKED. CRACK LENGTH 5.5". BS 420 BTN S13AR TO S17R FRAME REPAIRED AS PER RS R53-12-35815. CONTINUED INSPECTIONS ARE REQUIRED AS PER RS R53-12-35815 AND UPS EO B747-5310-27050.
- Difficulty date
- June 7, 2007
- Submitted
- June 27, 2007
- Operation
- Air carrier
- Aircraft
- N520UP
- Make and model
- Boeing 747212B
- Aircraft serial
- 21943
- Aircraft time
- 83,127 hours, 18,423 cycles
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Frame
- Condition
- Cracked
- Location
- Bs 420
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.