SDR J7SA20170315001

Service difficulty report · Control Unit · Lear 45LEAR

Difficulty date: March 15, 2017
Submitted: April 10, 2017
Operation: Air carrier
Aircraft: N475FX
Make and model: Lear 45LEAR
Aircraft serial: 508
Aircraft time: 1,663 hours, 1,241 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Control Unit
Condition: Malfunctioned
Location: Cabin Pressure
Stage of operation: CL
How discovered: O
Nature of condition: B, J
Precautionary procedure: O

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

What was found

CLIMBING AT FL 410, LR EMER PRESS ON, CAS POSTED WITH SMOKE AND FUMES IN CABIN. PERFORMED QRH, CABIN DUCT OHT, CAS MESSAGE. CABIN PRESSURE REACHED 9,800 FT BEFORE DESCENDING, ALL MESSAGES AND SMOKE AND FUMES CLEARED DURING DESCENT. LANDED WITHOUT INCIDENT. REPLACED CABIN PRESSURIZATION CONTROL UNIT. OPS CHECKED GOOD.