What was found
NR 4 PYLON HAS A 4 INCH CRACK ON THE NAC STA 236 BULKHEAD INTERNAL RIB AT PYLON SHUTOFF VALVE INBOARD SUPPORT ROD MOUNT BRACKET.
- Difficulty date
- February 5, 2009
- Submitted
- February 5, 2009
- Operation
- Air carrier
- Aircraft
- N703CK
- Make and model
- Boeing 747212B
- Aircraft serial
- 21939
- Aircraft time
- 92,019 hours, 17,642 cycles
- System (JASC)
- 5411 · Nacelle/Pylon, Frame/Spar/Rib
- Part
- Rib
- 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.