# SDR ABXA20211231136

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2021
- Submitted: January 4, 2022
- Operation: Air carrier
- Aircraft: [N364CM](https://openairdocs.org/aircraft/N364CM), registered now
- Make and model: Boeing 767338
- Aircraft serial: 24531
- Aircraft time: 93,263 hours, 34,599 cycles
- System (JASC): [3244 · Tire](https://openairdocs.org/jasc/3244)
- Part: Valve
- Part number: EM91795
- Part serial: 6041133
- Condition: Inoperative
- Location: Zone 100
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20211231136

## Discrepancy

PARKING BRAKE EICAS MESSAGE WHEN PARKING BRAKE LEVER RELEASED. AIRCRAFT RETURNED TO BLOCK AND WAS GROUNDEDD BY MAINTENANCE. MAINTENANCE REMOVED AND REPLACED THE PARKING BRAKE VALVE 32-44-04 OPS NORMAL. PART EFFECTIVITY VERIFIED. AIRCRAFT RETURNED TO SERVICE.

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