What was found
AD CRACK INDICATIONS FOUND AT NR 4 ENG MOUNT THRUST LINK THE INDICATIONS LOCATED AT FWD AND AFT LUG BORE WHICH WERE EXCEEDED THE LIMITS. THRUST LINK REPLACED. REF MM 71-21-03.
- Difficulty date
- December 30, 2005
- Submitted
- January 4, 2006
- Operation
- Air carrier
- Aircraft
- N682UP
- Make and model
- Boeing 747121
- Aircraft serial
- 20349
- Aircraft time
- 103,615 hours, 26,170 cycles
- Engine
- Pwa JT9D7A
- System (JASC)
- 7120 · Engine Mount Section
- Part
- Thrust Link
- Part number
- 65B403604
- 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.