# SDR HEEA0011039

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N447PH
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53114
- System (JASC): [6321 · Main Rotor Brake](https://openairdocs.org/jasc/6321)
- Part: Brake
- Part number: B0223K
- Condition: Bolts Worn
- Location: Rotor
- Part time: 374 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/HEEA0011039

## Discrepancy

ROTOR BRAKE TWO EACH BOLT SHANKS WORN, P/N D0152-1, CAUSING ROTOR BRAKE PAD NOT T RELEASE FROM ROTOR BRAKE DISK.  SUSPECT THAT HIGH HEAT FROM DISK CAUSED PAD TO FAIL.  REMOVED TWO EACH BOLTS P/N D0152-1 AND 2 EACH PADS P/N D0138-1 AND REPLACED WITH SERVICEABLEITEMS FROM THE KIT.

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