What was found
UPPER DECK FRAMES BS 460 TO 480 LEFT OF LADDER CUTOUT HAS 14 MISDRILLED HOLES. REAMED 13 HOLES AT BS 460 WITHIN LIMITS PER B747 SRM 53-10-01 FIG 1 AND REMOVED AND REPLACED LOWER CHORD AT BS 480 LT PER B747 SRM 51-30-02 PG 6-9.
- Difficulty date
- February 22, 2009
- Submitted
- March 25, 2009
- Operation
- Air carrier
- Aircraft
- N471
- Make and model
- Boeing 747273C
- Aircraft serial
- D3303
- Aircraft time
- 100,287 hours, 23,726 cycles
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Frame
- Condition
- Damaged
- Location
- Bs 460
- 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.