What was found
WHILE IN AMS FOR C-CHECK, MAINTENANCE REPORTED CRACK IN FRAME UPPER FLANGE AT BS 1900, LBL 60 TO 63. STOP DRILLED CRACK AND REPAIRED FRAME UPPER FLANGE ACC TO SRM 51-40-03, FIG 1.
- Difficulty date
- February 6, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N691UP
- Make and model
- Boeing 747121
- Aircraft serial
- 19641
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Frame
- Condition
- Cracked
- Location
- Bs 1900
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.