What was found
INSPECTION TYPE:C NR 3 PYLON REAR MOUNT B/H UPPER T-CHORD RT END 2EA HOLE FOUND CRACKED. CRACK LENGTH .5 INCH. NR 3 PYLON REAR MOUNT B/H UPPER T-CHORD REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.
- Difficulty date
- May 10, 2006
- Submitted
- May 30, 2006
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21944
- Aircraft time
- 77,205 hours, 18,330 cycles
- System (JASC)
- 5420 · Nacelle/Pylon Miscellaneous Structure
- Part
- Stiffener
- Part number
- 65B904472
- Condition
- Cracked
- Location
- Nr 3 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.