What was found
LT MLG WW I/B DOOR FWD VERTICAL BEAM LOWER RIB FOUND CORROSION CRACKED AT INTERIOR SURFACE, DURING LOWER BEAM REMOVED, CRACK LENGTH 1/2". RIB REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.
- Difficulty date
- March 16, 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)
- 5280 · Landing Gear Doors
- Part
- Rib
- Part number
- 65B1148313
- Condition
- Cracked
- Location
- Lt Mlg Door
- 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.