What was found
NR 4 PYLON, INBOARD FIREWALL CHAFED DOUBLE ON INNER SKIN, WORN THROUGH IN AREAS, NAC STA 221-190.
- Difficulty date
- May 24, 2011
- Submitted
- May 26, 2011
- Operation
- Air carrier
- Aircraft
- N793CK
- Make and model
- Boeing 747222B
- Aircraft serial
- 23736
- Aircraft time
- 73,616 hours, 9,463 cycles
- System (JASC)
- 5412 · Nacelle/Pylon, Bulkhead/Firewall
- Part
- Firewall
- Condition
- Chafed
- 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.