# SDR AALA201910079022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2019
- Submitted: October 7, 2019
- Operation: Air carrier
- Aircraft: [N927AN](https://openairdocs.org/aircraft/N927AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30077
- Aircraft time: 59,323 hours, 24,477 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Coupling
- Condition: Loose
- Location: Hyd Line
- Stage of operation: TX
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201910079022

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS SMOKE REPORTED FROM RIGHT TIRE AREA. HYD SYSTEM B FLUID INDICATION, SUSPECT HYDRAULIC LEAK. EMERGENCY WAS DECLARED. MAINTENANCE FOUND NR 4 BRAKE HYDRAULIC COUPLING / LINE LOOSE. REPLACED COUPLING IAW AMM 32-41-11. OPS CHECK GOOD / LEAK CHECK GOOD.

---
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.