What was found
NR 4 PYLON STIFFENER CRACKED AT CUTOUT, LWR FIREWALL BULKHEAD APPROX NAC STA 151.
- Difficulty date
- October 28, 2011
- Submitted
- October 29, 2011
- Operation
- Air carrier
- Aircraft
- N704CK
- Make and model
- Boeing 747246F
- Aircraft serial
- 23391
- Aircraft time
- 97,615 hours, 19,010 cycles
- System (JASC)
- 5420 · Nacelle/Pylon Miscellaneous Structure
- 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.