# SDR HEEA0014949

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N407PH
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53003
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Seal
- Part number: 71X7023
- Condition: Leaking
- Location: Main Rotor
- Stage of operation: IN
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA0014949

## Discrepancy

LEAKING OIL FROM GEARBOX TO INSIDE BOOT.  ALSO FOUND SEALS P/N B56-40 LEAKING; BEARINGS P/N MS27641-4 AND -5, 2 EACH ROUGH; BOOT P/N 406-312-106-101 DETERIORATED; AND SPINDLES ON TRUNNION ASSY P/N 206-011-726-005 WORN BEYOND LIMITS. REPLACED PARTS.

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