What was found
WHILE IN AMS FOR C-CHECK, MAINTENANCE REPORTED CRACKS IN REINFORCEMENT ANGLE IN TOP OF FRAME AT BS 1960 LBL 53. REPLACED REINFORCEMENT ANGLE AT BS 1960 LBL 53 ACC SRM 51-20-01 AND 51-30-02.
- Difficulty date
- February 15, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N691UP
- Make and model
- Boeing 747121
- Aircraft serial
- 19641
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Angle
- Condition
- Cracked
- Location
- Bs 1960
- 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.