What was found
DURING "M" CHECK, FOUND CRACK IN INBOARD STIFFENER OF NR 4 PYLON AT NAC STA 217. REPAIRED PER EA 66-205836.
- Difficulty date
- October 16, 2005
- Submitted
- January 5, 2006
- Operation
- Air carrier
- Aircraft
- N624US
- Make and model
- Boeing 747251B
- Aircraft serial
- 21706
- Aircraft time
- 98,128 hours, 17,045 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.