# SDR F3LA2024081300114

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2024
- Submitted: August 13, 2024
- Operation: Air carrier
- Aircraft: [N341FR](https://openairdocs.org/aircraft/N341FR), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 08516
- Aircraft time: 18,403 hours, 8,265 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Valve
- Part number: D24001000
- Part serial: Y04996
- Condition: Bypassing
- Location: Zone 700
- Part time: 18,403 hours, 8,265 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: Z
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/F3LA2024081300114

## Discrepancy

LOSS OF BRAKING WITH THE PARKING BRAKE SET ENGINES RUNNING AT GATE. PLANE MOVED FORWARD 2-3 FEET. MEMORY ITEMS APPLIED AND PLANE CAME TO A STOP PARKING BRAKE HANDLE CYCLED AND BRAKE PRESSURE RESTORED. AIRCRAFT WAS REMOVED FROM SERVICE AS A RESULT OF THIS EVENT.      FOLLOWED TSM 32-45-0-810-806-A, FOUND PARKING BRAKE CONTROL VALVE (102GG) NOT FUNCTIONING CORRECTLY WHILE PERFORMING OPS TEST. PARKING BRAKE SWITCH OK WIRIING OK. REMOVED AND REPLACED CONTROL VALVE 102GG IAW AMM 32-45-53-800-400-001-A. OPS TEST GOOD BSCU TEST GOOD. A/C OK FOR SERVICE. T/W SNJC1738 DD: 03-29-25

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.