What was found
FOUND RH THS DRIVE CHAIN OUTBOARD IDLER SPROCKET DAMAGED AND MISSING BEARING. FOUND DURING HORZ STAB LUBE R&R SPROCKET ASSEMBLY.
- Difficulty date
- June 2, 2020
- Submitted
- January 20, 2023
- Operation
- Air carrier
- Aircraft
- N601FE
- Make and model
- Doug MD11
- Aircraft serial
- 48401
- Aircraft time
- 85,174 hours, 21,893 cycles
- System (JASC)
- 5510 · Horizontal Stabilizer Structure
- Part
- Sprocket
- Part number
- AJH7079501
- Part serial
- UNK
- Condition
- Damaged
- Location
- N/A
- Component
- Sprocket Assy
- Component part number
- AJH7079501
- Stage of operation
- UK
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.