What was found
KEEL BEAM PANEL SUPPORT LOWER SURFACE FOUND CORROSION AT STA 1437 RBL 16" TO LBL 16". CORROSION BLEND OUT 0.022" BY 1" BY 20" EXCEED SRM 53-10-01 FIG 1 LIMITS, THE SUPPORT REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.
- Difficulty date
- March 13, 2006
- Submitted
- March 31, 2006
- Operation
- Air carrier
- Aircraft
- N681UP
- Make and model
- Boeing 747121
- Aircraft serial
- 19661
- Aircraft time
- 106,939 hours, 27,146 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Support
- Part number
- 65B140633
- Condition
- Corroded
- Location
- Bs 1437
- 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.