# SDR DXTA2021081146770

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2021
- Submitted: August 12, 2021
- Operation: Air carrier
- Aircraft: N658QS
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605665
- Aircraft time: 12,665 hours, 9,785 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 99121663
- Part serial: 6435
- Condition: Defective
- Location: Hyd System
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2021081146770

## Discrepancy

BRAKE PRESSURE LIGHT: DURING TAXI OUT OF THE CHOCKS BOTH THE LOW BREAK PRESSURE ANNUNCIATOR AND ANTISKID INOP ANNUNCIATOR ILLUMINATED. WE IMMEDIATELY STOPPED THE AIRCRAFT AND HAD IT TOWED BACK TO PARKING. // SIGNOFF // REMOVED BRAKE SYSTEM HYDRAULIC PUMP P/N 9912166-3,...S/N 6435 AND INSTALLED CUSTOMER SUPPLIED NEW UNIT P/N 9912166-3 S/N 5BT11 ,
SERVICED RESERVOIR AS REQUIRED AND OPS CHEKCED GOOD WITH REFERENCE TO CE 560 XL AMM 32-44-20.

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