What was found
INSPECTION TYPE:C M/D BS 2350 LBL 10 TO 40 HAT SECTION FLANGE FOUND CORRODED. CORRORION BLEND OUT 0.032" X 1" X 10" EXCEED SRM LIMIT. HAT SECTION REPLACED AS PER SRM 51-10-01 PG 9 AND 51-30-02.
- Difficulty date
- May 13, 2006
- Submitted
- May 19, 2006
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21944
- Aircraft time
- 77,205 hours, 18,330 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Channel
- Part number
- 65B066421
- Condition
- Cracked
- Location
- Fuselage
- 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.