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Forum: Engineers & Technicians

17th Sep 2009, 19:41

Replies: 7

JT8D-9A slow to spool.

Views: 2,734

Posted By Toobold

Just wanted to let you guys know, we changed the...

Just wanted to let you guys know, we changed the PRBC and it fixed the slow to spool.. Thank you for all the inputs.

Forum: Engineers & Technicians

16th Sep 2009, 01:06

Replies: 7

JT8D-9A slow to spool.

Views: 2,734

Posted By Toobold

JT8D-9A slow to spool.

Need help trying to figure out why our JT8D-9A is slow to spool. It is taking about 9sec to spool up to 1.2EPR. Fuel Control(replaced), trim checks good, PRBC-Replace, P&D valve replaced and all...

Forum: Engineers & Technicians

11th Oct 2008, 16:29

Replies: 0

C-9B Air Condition system shutting down (RIGHT AIR PACK)

Views: 538

Posted By Toobold

C-9B Air Condition system shutting down (RIGHT AIR PACK)

Hello everyone, we are having a problem with our right air pack on our C-9B aircraft. During climb out, the right A/C Pack is shutting completely off, as if a valve is closeing. This problem is...

Forum: Engineers & Technicians

15th Feb 2008, 13:37

Replies: 6

Jt8d-9a

Views: 1,570

Posted By Toobold

This is a new motor we just recieved...I looks as...

This is a new motor we just recieved...I looks as if we are going to have to pull it.

Forum: Engineers & Technicians

14th Feb 2008, 14:57

Replies: 6

Jt8d-9a

Views: 1,570

Posted By Toobold

Jt8d-9a

Hello everyone. We are having problems with our #1 Eng.. It is having compressor stalls during accelleration. We have changed the PRBC, P&D and Fuel Control. Performed all Trim checks. Also we...

Forum: Engineers & Technicians

12th Jan 2008, 16:43

Replies: 9

JT8D-9A N1 readings

Views: 1,911

Posted By Toobold

Sorry it took me so long to get back to this...

Sorry it took me so long to get back to this subject. We did find the problem after several days of troubleshooting and replacement of parts. There are two terminal boards on top of the JT8D-9A. ...

Forum: Engineers & Technicians

17th Dec 2007, 20:51

Replies: 9

JT8D-9A N1 readings

Views: 1,911

Posted By Toobold

FF,EGT,EPR, N2 are right on the money. There is...

FF,EGT,EPR, N2 are right on the money. There is not flucuation with any other displays. Could it be the houseing that the N1 Tach rides in? When i removed the Tach Gen (N1), the houseing looked...

Forum: Engineers & Technicians

14th Dec 2007, 17:02

Replies: 9

JT8D-9A N1 readings

Views: 1,911

Posted By Toobold

If moister trap is clogged, would it affect EPR...

If moister trap is clogged, would it affect EPR also...EPR reading is steady. This fluctuation is in flight and on ground.

Forum: Engineers & Technicians

13th Dec 2007, 13:28

Replies: 9

JT8D-9A N1 readings

Views: 1,911

Posted By Toobold

JT8D-9A N1 readings

We are having problems with our N1 readings on our C-9B aircraft. There is a flucuation in indication sometimes. Others times it works perfect. We have replaced the N1 Tach-Generator and the...

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