# SDR SCNA20251205462

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2025
- Submitted: December 5, 2025
- Operation: Air carrier
- Aircraft: [N8011A](https://openairdocs.org/aircraft/N8011A), registered now
- Make and model: Boeing 737-800
- Registry model: [Boeing 737-800](https://openairdocs.org/model/boeing-737-800) (OpenAirDocs)
- Aircraft serial: 34030
- Aircraft time: 57,638 hours, 28,507 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: B-Nut
- Condition: Leaking
- Location: Hyd System
- Stage of operation: IN
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20251205462

## Discrepancy

DURING POST FLIGHT INSPECTION NR 2 WHEEL AND BRAKE ASSY WAS COATED WITH FLUID & WAS SMOKING.   REQUEST INSPECTION OF NR 2 MLG.  PERFORMED A HYDRAULIC SYSTEM EXTERNAL LEAKAGE CHECK IAW AMM 29-00-00,  FOUND ALT BRAKE SELECTOR VALVE B-NUT LOOSE,  TIGHTENED THE B-NUT PERFORMED ALT BRAKE SELECTOR VALVE TEST IAW AMM 32-41-93 NO EVIDENCE OF LEAKAGE AT THIS TIME O DROPS PER MIN.

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