# SDR SWAA2026092105253

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2026
- Submitted: September 22, 2026
- Operation: Air carrier
- Aircraft: [N9019R](https://openairdocs.org/aircraft/N9019R), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 70543
- Aircraft time: 188 hours, 99 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Valve
- Condition: Incorrect Stow
- Location: Zone 700
- Stage of operation: IN
- How discovered: V
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026092105253

## Discrepancy

SHORTLY AFTER STARTING TAXI,  BECAME DIFFICULT TO MOVE AND UNABLE TO CONTINUE TAXI,  PARKING BRAKE WOULD NOT RELEASE.  INSPECTED & FOUND MEL 32-42-03, IMPROPERLY APPLIED. RETURN LINE WAS CAPPED INSTEAD OF PRESSURE LINE ON AUTOBRAKE CONTROL MODULE. REF LP 3083740 FOR REPLACEMENT OF MODULE. TAXIED AIRCRAFT FROM RON C TO B1 TAXIWAY AND BACK TO GATE 1. NO ABNORMAL BRAKING NOTED.

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