What was found
NR 4 PYLON INTERNAL FORWARD BULKHEAD HORIZONTAL STIFFENER IS CRACKED AT NAC STA 180.
- Difficulty date
- April 10, 2006
- Submitted
- April 11, 2006
- Operation
- Air carrier
- Aircraft
- N716CK
- Make and model
- Boeing 747122
- Aircraft serial
- 19753
- Aircraft time
- 90,915 hours, 22,997 cycles
- System (JASC)
- 5412 · Nacelle/Pylon, Bulkhead/Firewall
- Part
- Stiffener
- Condition
- Cracked
- Location
- Nr 4 Pylon
- 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.