Service difficulty report · Cable · Emb EMB120ER

Difficulty date
February 21, 2023
Submitted
February 24, 2023
Operation
Air carrier
Aircraft
N126CZ
Make and model
Emb EMB120ER
Aircraft serial
120308
Aircraft time
44,296 hours, 61,890 cycles
Part
Cable
Part number
12027649021
Part serial
F038141173
Condition
Broken
Location
Lh Inboard
Part time
118 hours, 99 cycles
Stage of operation
IN
How discovered
V
Nature of condition
Z
Precautionary procedure
K

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

What was found

ON 11/10/22 WORLDWIDE AIRCRAFT SERVICES, INC. R&R LIB & LOB RUDDER CABLES (AFT SECTION) PNS 120-27649-021 & 120-27649-023 IAW EMB120 AMM 27-00-01. PULLEY UNDER FLOOR PANEL, 263AF, WILL NEED SAFETIED. TENSIONED CABLES AND SAFETIED PULLEY. OPS CHECKS GOOD. **RII** FOUND BROKEN RUDDER CABLE UPON OPENING FOR TENSION CHECKS. LIB AFT RUDDER CABLE SHREDDED AT AFT PULLEY JUST BEFORE BELLCRANK IN AFT SECTION OF AC. NOTE: BOTH AFT CABLES WERE RECENTLY REPLACED. ALSO, INSPECT CABLE ROUTE FOR CAUSE OF CABLE FAILURE & POSSIBLE DAMAGE TO PULLEYS AND STRUCTURE. INSTALLED NEW LIB AFT RUDDER CABLE PN 120-27649-021 SN F038141173 IAW EMB120 AMM 27-00-01. INSPECTED CABLE ROUTING FOR CAUSE OF FAILURE, NONE FOUND. INSPECTED STRUCTURE FOR ANY CABLE TENSION DAMAGE, NONE FOUND. SET TENSIONS ON BOTH RUDDER SYSTEMS AND CHECKED OPERATION, ALL NORMAL. SET WATCH LIST IN ATP FLIGHTDOCS CABLE TENSION CHECK DUE ON LH RUDDER CABLE SYSTEM NO LATER THAN 44445.72 FLT HRS BUT NOT BEFORE 44395.00 FLT HRS.

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