What was found
WHILE ACCOMPLISHING AD 2017-09-10(G) AND SB 747-57A2357 OR R/H, INDICATION OF CRACK WAS FOUND ON RIGHT WING FRONT SPAR AS FSSI 655 IN WEB 1/4" BELOW UPPER CHORD REFERENCE WO743009293 FOR ORIGINATING WORK
- Difficulty date
- May 19, 2021
- Submitted
- May 20, 2021
- Operation
- Air carrier
- Aircraft
- N743CK
- Make and model
- Boeing 747446
- Aircraft serial
- 26350
- Aircraft time
- 109,679 hours, 17,491 cycles
- System (JASC)
- 5711 · Wing Spar
- Part
- Spar
- Condition
- Cracked
- Location
- Rt Wing
- Stage of operation
- IN
- How discovered
- E
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.