What was found
DURING M-CHECK FOUND CRACK IN NR 4 PYLON NACELLE BULKHEAD FRAME AT NAC STA 221.90 LT. REPAIRED PER EA 66-212663.
- Difficulty date
- May 25, 2008
- Submitted
- May 28, 2008
- Operation
- Air carrier
- Aircraft
- N623US
- Make and model
- Boeing 747251B
- Aircraft serial
- 21705
- Aircraft time
- 100,298 hours, 17,520 cycles
- System (JASC)
- 5411 · Nacelle/Pylon, Frame/Spar/Rib
- Part
- Frame
- 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.