# SDR MALA080223

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2008
- Submitted: December 23, 2008
- Operation: Air carrier
- Aircraft: [N410](https://openairdocs.org/aircraft/N410), registered now
- Make and model: Cessna 177B
- Registry model: [Cessna 177B](https://openairdocs.org/model/cessna-177b) (OpenAirDocs)
- Aircraft serial: 17702536
- Aircraft time: 27,412 hours, 29,972 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Pdu
- Condition: Malfunctioned
- Location: Left
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA080223

## Discrepancy

"AFTER T/O SELECTED GEAR UP AND HYDRAULIC CAUTION LIGHT ILLUMINATED.  COMPLETED MEMORY ITEMS THEN COMPLETED AFTER T/O CHECK.  COMPLETED EMERGENCY/NON-NORMAL CHECKLIST HYDRAULIC PROC 2.  RETURNED TO TRI.  DECLARED EMERGENCY AND RETURNED TO GATE.  FLAPS REMAINED ZERO.  REMOVED AND REPLACED LT PDU IAW SAAB AMM 24-31-20.  OPS CHECK GOOD AT THIS TIME, P/N ON AND OFF A2042C, S/N ON CL-86429, S/N OFF CG-81553.  REMOVED AND REPLACED RELAY 7ML IAW SAAB AMM 20-20-00 OPS CHECK GOOD, P/N ON AND OFF MS24142D1.

---
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.