Service difficulty report · Pressure Switch · Cessna 560CESSNA

Difficulty date
June 26, 2007
Submitted
July 13, 2007
Operation
Air carrier
Aircraft
N334QS
Make and model
Cessna 560CESSNA
Aircraft serial
5600434
Aircraft time
8,843 hours, 7,188 cycles
Engine
Pwa JT15D5
Part
Pressure Switch
Part number
99121631
Part serial
2279
Condition
Inoperative
Location
Brakes
Part time
8,843 hours, 7,188 cycles
Stage of operation
LD
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

ON LANDING BRAKE PRESS LOW AND ANTISKID INOP LIGHTS ILLUMINATED WITH NO BRAKES. LIGHTS WENT OUT AND NORMAL BRAKING RETURNED AFTER PUMPING BRAKES. TESTED ANTISKID SYSTEM WITH NO FAULTS. REPLACED KNOO2 RELAY P/N: M83536/9-024 + LOW PRESSURE SWITCH. CHECKED SYSTEM + BLED BRAKES. OPERATIONAL CHECKS GOOD IAW MM CH. 32-42-00. OLD P/N: 9912163-1. OLD S/N: 2279. NEW P/N: 9912163-1. NEW S/N: 3285. CORRECTED BY: (DK). DATE CORRECTED: 6/29/07. CERT. TYPE AND NR: CNQ8918C.