# SDR IPXA2026052613721

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2026
- Submitted: May 26, 2026
- Operation: Air carrier
- Aircraft: [N168UP](https://openairdocs.org/aircraft/N168UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0863
- Aircraft time: 25,422 hours, 15,001 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake Assy
- Part number: C20101610003
- Part serial: 5021
- Condition: Inoperative
- Location: Zone 700
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2026052613721

## Discrepancy

ON LANDING USING MED AUTOBRAKES AND THEN MANUAL BRAKING NO LEFT MAIN GEAR BRAKING ENGAGED. LEFT MAIN GEAR TEMPS ALL REMAIN ZERO. THE ORIGINAL FAULT IS CORRECTED AND THE LH MLG BRAKES TEMP FAULT IS DEFERRED IAW MEL 32-47-02. REF BARCODE: T3F18E008W57X. R/R LH MASTER BRAKE VALVE, MASTER BRAKE VALVE MANIFOLD IAW AMM 32-42-19, OPS CHECK GOOD. REPLACED BSCU AS PRECAUTIONARY IAW AMM 32-42-72, BITE CHECK GOOD. SUSPECT BAD LH GEAR TEMP COMPENSATOR 3GW OR BRAKES TEMP DETECTOR UNIT 16GW

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