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R/H PACK TRIP OFF LIGHT ILL DURING DESCEND (B737CL)

PostPosted: 08 Mar 2019, 18:35
by novansky
Dear Fellas,
We had a problem with R pack trip off lite ill during descend on B737CL and below are the T/S summary :
Summary of Troubleshooting:

1. 27 FEB 2019
Replaced R/H Turbofan d/t found damage.
2. 27 FEB 2019
R/H heat exchangers cleaned with nitrogen.
3. 01 MAR 2019
Checked and retightened duct overheat switch.
4. 02 MAR 2019
Replaced R/H turbofan rubber hose d/t broken.
5. 02 MAR 2019
Replaced R/H compressor discharge overheat switch. Switch taken from PK-CLK d/t nil stock at store.
6. 05 MAR 2019
Replaced air cond. Acc unit. Ops check 1 hrs result good.
I'm looking for your feedback and highly appreciated for helping.

Regards,
For a safer sky

Re: R/H PACK TRIP OFF LIGHT ILL DURING DESCEND (B737CL)

PostPosted: 14 Mar 2019, 09:56
by IFixPlanes
Did you follow the trouble shooting chart of the cooling portion of the air conditioning system?
ATA 21-51-00 PB100
"THE LEFT (RIGHT) "PACK TRIP OFF" LIGHT ON THE P5-10 AIR CONDITIONING MODULE IS ON."