What was found
DURING DVI TOOL MARKS ON FASTENER HEAD WERE FOUND IN FASTENER NR 3, 4 AND 7 POSITIONS. BOLTS NUMBER 3, 4 AND 7 WERE DISCARDED, DUE HOLES 3, 4 AND 7 WERE REAM UP TO SECOND OVERSIZE AND WERE REPLACED, PER ERA 589123-14.
- Difficulty date
- December 25, 2020
- Submitted
- December 28, 2020
- Operation
- Air carrier
- Aircraft
- N712TW
- Make and model
- Boeing 7572Q8
- Aircraft serial
- 27624
- Aircraft time
- 85,596 hours, 22,689 cycles
- System (JASC)
- 5730 · Wing, Plate/Skin
- Part
- Fastener
- Condition
- Damaged
- Location
- Wing
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.