What was found
WHILE IN FOR C-CHECK, MAINTENANCE FOUND 2 CRACKS IN UPPER CHORD OF L/E RIB AT O/B LEADING EDGE STATION 1534.95, 1462.85, 14653.35, 1309.15, 1237.05, 1195.55 AND 1483.95. REPAIRED PER SRM 57-20-03 FIG 1.
- Difficulty date
- February 10, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N691UP
- Make and model
- Boeing 747121
- Aircraft serial
- 19641
- System (JASC)
- 5712 · Wing, Rib/Bulkhead
- Part
- Rib
- Condition
- Cracked
- Location
- Le 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.