What was found
REPAIR - CRACK FASTENER HOLE WAS FOUND ON LT WING INBD FRONT SPAR WEB PER SB 747-57A2357(<P>1. REPAIR CRACK AREA IAW EI NO. T2019A57M-1242 REV.1 </P><P>2. JOB COMPLETED AND CONDITION CHECK NORMAL.</P>)
- Difficulty date
- March 28, 2019
- Submitted
- March 29, 2019
- Operation
- Air carrier
- Aircraft
- N492MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 29253
- Aircraft time
- 86,527 hours, 14,919 cycles
- System (JASC)
- 5711 · Wing Spar
- Part
- Spar Web
- Condition
- Cracked
- Location
- Lt Wing
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.