# SDR DL73G050406

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2005
- Submitted: August 5, 2005
- Operation: Air carrier
- Aircraft: [N231DN](https://openairdocs.org/aircraft/N231DN), registered now
- Make and model: Boeing 737-3L9
- Registry model: [Boeing 737-3L9](https://openairdocs.org/model/boeing-737-3l9) (OpenAirDocs)
- Aircraft serial: 23717
- Aircraft time: 44,424 hours, 24,039 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake
- Part number: 26066724
- Part serial: DL2484
- Condition: Damaged
- Location: Nr 4
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL73G050406

## Discrepancy

ON TRANSIT CHECK, FOUND METAL SHARDS UNDERNEATH NR 4 BRAKE ASSY, SHARDS ARE FROM OUTER DISK.  REPLACED NBR 4 MAIN BRAKE ASSY PER MM.

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