# SDR ASMF200512023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2005
- Submitted: December 30, 2005
- Operation: Air carrier
- Aircraft: N204AM
- Make and model: Doug DC-9-87
- Registry model: [Doug DC-9-87](https://openairdocs.org/model/mcdonnell-douglas-dc-9-87) (OpenAirDocs)
- Aircraft serial: 49404
- Aircraft time: 46,957 hours, 30,343 cycles
- Engine: Pwa JT8D219
- System (JASC): [2920 · Hydraulic System, Auxiliary](https://openairdocs.org/jasc/2920)
- Part: Pump
- Part number: 405893
- Part serial: MX252733A
- Condition: Failed
- Location: Aux Hyd Sys
- Part time: 15,873 hours, 9,900 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF200512023

## Discrepancy

DURING TRANSIT CHECK, THE AUXILIARY HYDRAULIC PUMP DID NOT SHUT OFF. AIRCRAFT WAS SENT TO THE HANGAR AND DURING OVERNIGHT CHECK, THE RELAY 22-15 AND THE RT AUXILIARY HYDRAULIC PUMP WERE REPLACED IAW MM 29-21-00 AND MM 29-10-06 RESPECTIVELY, TESTED CORRECT.

---
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.
