What was found
NR 4 PYLON UPPER LINK FWD MOUNT BOLT THREAD SEIZED AND NDT FOUND CRACKED AT THREAD ROOT AREA. FUSE PIN REPLACED IAW AMM 54-10-03.
- Difficulty date
- July 25, 2011
- Submitted
- August 11, 2011
- Operation
- Air carrier
- Aircraft
- N524MC
- Make and model
- Boeing 7472D7B
- Aircraft serial
- 21784
- Aircraft time
- 105,635 hours, 21,872 cycles
- System (JASC)
- 5420 · Nacelle/Pylon Miscellaneous Structure
- Part
- Fuse Pin
- Part number
- 310U23014
- Condition
- Cracked
- Location
- Nr 4 Nacelle
- 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.