Service difficulty report · Bearing · Cndair CL6002B19

Difficulty date
September 20, 2014
Submitted
October 16, 2014
Operation
Air carrier
Aircraft
N903EV
Make and model
Cndair CL6002B19
Aircraft serial
7621
Aircraft time
28,407 hours, 26,165 cycles
Part
Bearing
Condition
Failed
Location
Elevator
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

LEFT ELEVATOR SYS NR 3 FAILED BEARING BACKLASH. BACKLASH IS .240, MAX ALLOWED .210, .030 OUT OF LIMITS. REMOVED THE LT ELEVATOR SYS NR 1, 2 AND 3 BEARINGS, PN MS14103-6, MS14103-5 AND MS14103-4 IAW AMM 20-26-00-910-807. INSTALLED LT ELEVATOR SYSTEM NR 1, NR 2 AND NR 3 BEARING USING PN MS14103-6, MS14103-5 AND MS14103-4, PO W21655, W29835, W29974 IAW AMM 20-26-00-910-808, REV 49, DATED MAY 10/2014. REMOVED LT ELEVATOR PCU BUSHINGS PN 600-10300-59 3 EA AND PN NAS538B7P013 3, EA IAW AMM 20-26-00-910-802. INSTALLED LT ELEVATOR PSU BUSHINGS, PN 600-10300-59, 3 EA AND PN NAS538B7P013, 3 EA IAW AMM 20-26-00-910-804, REV 49. C/W ECTC RIL 0183 AND RIL 0183, REV B, DATED 1/24/14 AS WRITTEN. PERFORMED BACKLASH TEST OF LT ELEV, BEARING BACKLASH IAW AMM 27-31-00-220-84. BEARING BACKLASH MEASURED AT .140. BACKLASH GOOD.