What was found
DURING H-CHECK, FOUND CRACK ON THE NUMBER 4 PYLON INBOARD STRUT SKIN. REPAIRED PER EA 66-181950.
- Difficulty date
- March 14, 2001
- Submitted
- April 6, 2001
- Operation
- Air carrier
- Aircraft
- N641NW
- Make and model
- Boeing 747212B
- Aircraft serial
- 21941
- Aircraft time
- 73,576 hours, 16,053 cycles
- System (JASC)
- 5414 · Nacelle/Pylon, Plate/Skin
- Part
- Skin
- 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.