# SDR BB07037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2007
- Submitted: May 21, 2007
- Operation: Air carrier
- Aircraft: N201UU
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27810
- Aircraft time: 40,534 hours, 16,644 cycles
- System (JASC): [3242 · Brake](https://openairdocs.org/jasc/3242)
- Part: Brake
- Part number: 214572
- Part serial: 7021AL
- Condition: Cracked
- Location: Nr 7
- Stage of operation: CL
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BB07037

## Discrepancy

FLIGHT 0728, PHL-GLA:  AFTER TAKEOFF, HYDRAULIC QUANTITY STARTED DROPPING ON BOTH LEFT AND RIGHT SYSTEMS.  RETURNED TO PHL.  MAINTENANCE FOUND THE NUMBER 7 BRAKE HOUSING CRACKED.  REPLACED BRAKE.

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