Service difficulty report · Pressure Switch · Beech 400A

Difficulty date
August 31, 2024
Submitted
September 4, 2024
Operation
Air carrier
Aircraft
N929AG
Make and model
Beech 400A
Aircraft serial
RK381
Aircraft time
6,889 hours, 5,803 cycles
Part
Pressure Switch
Part number
45AS65020001
Part serial
EO14603A
Condition
Faulty
Location
Cabin Pressure
Part time
6,889 hours, 5,803 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
B

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

What was found

CABIN PRESSURE LO ANNUNCIATOR ILLUMINATED IN FLIGHT AT FL320 CABIN ALTITUDE WAS OVER 9000FT AND CLIMBING. BY FL350 WARNING LIGHT CAME ON PERFORMED EMER DESCENT LIGHT EXTINGUISHED AT 8000 FT. FERRIED AIRCRAFT FROM KJAX TO KFLL FOR REPAIRS. REMOVED CABIN LOW PRESSURE SWITCH (S092) P/N 45AS63027-001 S/N EO14603A AND INSTALLED NEW CABIN LOW PRESSURE SWITCH (S092) P/N 45AS63027-5 S/N AC14569 IAW 400A AMM 21-30-00. OP'S CHECK GOOD.

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