Service difficulty report · Pressure Switch · Dhav DHC8102

Difficulty date
September 14, 2008
Submitted
October 8, 2008
Operation
Air carrier
Aircraft
N825EX
Make and model
Dhav DHC8102
Aircraft serial
388
Part
Pressure Switch
Part number
7821004
Part serial
3984
Condition
Stuck
Location
Bleed Air Sys
Part time
34,111 hours, 34,111 cycles
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NR2 ENGINE BLEED HOT CAUTION LIGHT ILLUMINATED DURING FLIGHT. LIGHT GOES OUT WHEN SWITCH SELECTED OFF, FERRYING TO SBY. R&R D BLEED OVERTEMP SWITCH IAW AMM 21-11-26 NO FIX. R&R D NR2 ENGINE HP BLEED VALVE. INSTALLING NEW USING RETAINED HARDWARE, AND REMOVED, CLEANED, REINSTALLED HP SENSING LINE. R&R NR2 HP PRESSURE SWITCH. IAW AMM 21-11-21. R&R D NR 2 PRSOV. IAW AMM 21-11-11. R&R D NR 1 ENGINE HP PRESSURE SWITCH IAW AMM 21-11-21. OPS CHECK GOOD.