What was found
INSPECTION TYPE: C4, A CRACK WAS FOUND ON THE FRAME DOUBLER AT BS 820 , STRINGER 10A TO 11L. REPLACED IAW EO B747-5310-62098-A.
- Difficulty date
- September 24, 2016
- Submitted
- October 17, 2016
- Operation
- Air carrier
- Aircraft
- N583UP
- Make and model
- Boeing 7474R7F
- Aircraft serial
- 25867
- Aircraft time
- 109,921 hours, 18,686 cycles
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Doubler
- Part number
- 65B0946431
- Condition
- Cracked
- Location
- Bs 820
- 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.