# SDR UEIA99080

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N493MC](https://openairdocs.org/aircraft/N493MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29254
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Safety Wire
- Condition: Broken
- Location: Te Aft Flap
- Part time: 4,376 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UEIA99080

## Discrepancy

INSPECTED A/C PER ATLAS AIR FCD99-17, FOUND THE FOLLOWING AFT FLAP TRACK CARRIAGE BOGIE PIN ASSEMBLIES WITH FAILED SAFETY WIRE AT TWO POSITIONS; NR 7 INBOARD PIN, WIRE BROKEN, TORQUE ON BOLT OK.  NR 8 INBOARD, WIRE BROKEN, TORQUE ON BOLT OK.  NO BOLT OR PIN MIGRATION AT THE FAILED WIRE POSITIONS.  ALL OTHER POSITIONS OK.  AIRCRAFT REPAIRED IAW ATLAS AIR FCD 99-17, REFERENCE IPC 27-51-28-01.  (M)

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