What was found
INSPECTION TYPE:C U/D BS 480 BTN S11L & S12L FRAME DOUBLER FOUND CRACKED, CRACK LENGTH .5 INCH. U/D BS 480 BTN S11L - S12L FRAME DOUBLER REPLACED & INSTALLED AS PER SRM 51-10-01 PG 9 & 51-30-02.
- Difficulty date
- February 22, 2006
- Submitted
- March 1, 2006
- Operation
- Air carrier
- Aircraft
- N522UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21936
- Aircraft time
- 72,217 hours, 16,929 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Doubler
- Part number
- 65B01717517
- Condition
- Cracked
- Location
- Bs 480
- 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.