What was found
INSPECTION TYPE:AD NR 4 PYLON REAR ENGINE MOUNT THRUST LINK AFT LUG FOUND CRACK INDICATION AT UPPER AND LOWER SURFACE APPROX 100 PERCENT FSH. NR 4 ENG MOUNT THRUST LINK REPLACED AS PER AMM 71-21-03.
- Difficulty date
- November 19, 2005
- Submitted
- November 21, 2005
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21944
- Aircraft time
- 76,199 hours, 18,102 cycles
- System (JASC)
- 5410 · Nacelle/Pylon, Main Frame
- Part
- Thrust Link
- Part number
- 65B903604
- Condition
- Cracked
- Location
- Nr 4 Pylon
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.