What was found
DURING PYLON MODIFICATION ON THIS A/C, AN INSPECTION OF THE LEFT WING FRONT SPAR REVEALED CRACKS AT FOUR LOCATIONS AT WING STATION 669.5. REF ATTACHED QUERY NOTE S/N 16/95 FOR DETAILS.
- Difficulty date
- April 16, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N691UP
- Make and model
- Boeing 747121
- Aircraft serial
- 19641
- System (JASC)
- 5711 · Wing Spar
- Part
- Spar
- Condition
- Cracked
- Location
- Lt Wing
- 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.