What was found
NR 1 PYLON MID SPAR WEB CRACKED BY REAR ENGINE MOUNT, NAC STA 221.9, WL 138.5.
- Difficulty date
- January 16, 2007
- Submitted
- January 17, 2007
- Operation
- Air carrier
- Aircraft
- N704CK
- Make and model
- Boeing 747209F
- Aircraft serial
- 22299
- Aircraft time
- 104,939 hours, 19,863 cycles
- System (JASC)
- 5411 · Nacelle/Pylon, Frame/Spar/Rib
- Part
- Spar
- Condition
- Cracked
- Location
- Nr 1 Nacelle
- 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.