What was found
AD NR 4 ENGINE REAR ENGINE MOUNT THRUST LINK FOUND CRACKED INDICATION ON FWD END LUG BORE LOWER AREA. NR 4 ENG THRUST LINK REPLACED IAW EO B747-7120-22596 APPENDIX I.
- Difficulty date
- December 29, 2005
- Submitted
- January 4, 2006
- Operation
- Air carrier
- Aircraft
- N683UP
- Make and model
- Boeing 747121
- Aircraft serial
- 20353
- Aircraft time
- 88,086 hours, 21,555 cycles
- Engine
- Pwa JT9D7A
- System (JASC)
- 7120 · Engine Mount Section
- Part
- Thrust Link
- Part number
- 65B903604
- Part serial
- 2276
- Condition
- Cracked
- Location
- Nr 4 Engine
- 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.