What was found
HKG - DURING C-CHECK, NR 3 PYLON AFT VERTICAL BULKHEAD BOTH LEFT AND RIGHT CHORD LOWER PORTION, FOUND 10 MISDRILLED HOLES, NRC 6339 AND 6340. REPAIRED IAW HAECO RS R-54-53-33997, 8110-3 AND ECRA. (M)
- Difficulty date
- February 7, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N480EV
- Make and model
- Boeing 747121
- Aircraft serial
- 20348
- System (JASC)
- 5412 · Nacelle/Pylon, Bulkhead/Firewall
- Part
- Bulkhead
- Condition
- Misdrilled
- Location
- Nr 3 Pylon
- Part time
- 97,499 hours
- Stage of operation
- IN
- Nature of condition
- W
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.