Service difficulty report · Cable · Boeing 7378H4

Difficulty date
January 31, 2024
Submitted
March 7, 2024
Operation
Air carrier
Aircraft
N8565Z
Make and model
Boeing 7378H4
Aircraft serial
42533
Aircraft time
19,940 hours, 10,049 cycles
Part
Cable
Part number
UNKNOWN
Condition
Corroded
Location
Rt Ailerons
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

R/H WING AFT AILERON CABLE HAS SURFACE CORROSION AT TURN AROUND PULLEY/AILERON QUADRANT FWD OF AILERON INPUT ROD.<[01] FABRICATED TERMINAL B FITTINGS TO NEW CABLES ABSA-R1 AND ABSB-R1 AND CUT CABLE TO LENGTH; PERFORMED PULL-TEST CK. GOOD PER. M.M. 27-09-14 AND SOPM 20-50-16;[02] FABRICATED TERMINAL B FITTINGS TO NEW CABLES ABSA-R1 AND ABSB-R1 AND CUT CABLE TO LENGTH; PERFORMED PULL-TEST CK. GOOD PER. M.M. 27-09-14 AND SOPM 20-50-16;[03] FABRICATED TERMINAL A FITTINGS TO NEW CABLES ABSA-R1 AND ABSB-R1 ; PERFORMED PULL-TEST CK. GOOD PER. M.M. 27-09-14 AND SOPM 20-50-16;[04] INSTALLED RIGHT AILERON CONTROL CABLES ABSA-R1 AND ABSB-R2 PER. M.M. 20-10-91;[05] -DOUBLE TENSIONED NEW CABLE IAW AMM 27-11-00;[06] RII: INSPECTED WORK PERFORMED ON C/A #3; C/A #4; AND C/A #5;[07] ADJUSTED AILERON POGO AND POWER CONTROL UNIT (PCU) PER AMM 27-11-00 DOUBLE TENSIONED RH CABLES CYCLED AILERON 20 TIMES AND ADJUSTED CABLES TO AILERON CABLE RIG LOAD PER AMM 27-09-14 AND AMM 27-11-00 AND MMS AP37.8-0618;[08] RII: VERIFIED CORRECTIVE ACTION #7

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