# SDR CALA2012111900801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2012
- Submitted: November 19, 2012
- Operation: Air carrier
- Aircraft: [N13227](https://openairdocs.org/aircraft/N13227), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28788
- Aircraft time: 44,287 hours, 16,063 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Seal
- Part number: 651782121
- Part serial: 4677
- Condition: Leaking
- Location: Hyd System
- Part time: 26,206 hours, 9,232 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: F, K
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2012111900801

## Discrepancy

AT CRUISE,  NR 1 ENGINE HYD PUMP "LIGHT" CAME ON, HYD QTY WAS AT 20 PERCENT AND DROPPING AT 0 PERCENT, HYD PUMP LIGHT CAME ON.  RAN QRH FOR BOTH; MAIN GEAR DOWN.  TROUBLE SHOT IAW FIM 29-10 TSK 812, FOUND RUPTURED SEAL AT HYD SYS "A" PRESS MODULE PLUG.  R & R; SEAL IAW MM 29-11-71, LEAK AND OPS CHECKED 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.