# SDR AALA20090428002A

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2009
- Submitted: July 1, 2009
- Operation: Air carrier
- Aircraft: [N661AA](https://openairdocs.org/aircraft/N661AA), registered now
- Make and model: Boeing 757223
- Aircraft serial: 25295
- Aircraft time: 54,351 hours, 18,809 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: B-Nut
- Condition: Loose
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20090428002A

## Discrepancy

MIA    CREW REPORTED THE AIRCRAFT LOST CENTER HYDRAULIC SYSTEM. EMERGENCY DECLARED LANDED MIA WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND LOOSE B NUT. TIGHTENED B NUT.

---
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.