Service difficulty report · Drive Assy · Emb EMB505

Difficulty date
February 15, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N411QS
Make and model
Emb EMB505
Aircraft serial
50500432
Aircraft time
4,759 hours, 3,643 cycles
Part
Drive Assy
Part number
11336405
Part serial
559
Condition
Abnormal
Location
Zone 100
Stage of operation
UK
How discovered
O
Nature of condition
M
Precautionary procedure
O

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

What was found

WHILE TROUBLESHOOTING AN INOP VCS TECHS DISCOVERED THERMAL DAMAGE TO COMPRESSOR DRIVE MODULE CONTROL UNIT AND ASSOCIATED POWER LUG. REMOVED COMPRESSOR DRIVE MODULE PN: 1133640-5, SN: 559. INSTALLED REPAIRED COMPRESSOR DRIVE PN: 1133640 9, SN: 880 WITH NEW O-RINGS PN: M83461-1-013, PN: M83461/1-017. REMOVED RECEIVER DRYER ASSY PN: 1134275-12. INSTALLED NEW RECEIVER DRYER ASSY PN: 113427S-12 WITH NEW O-RINGS PN: M83461/1-011, PN: AS568-011-HNBR-70. REMOVED DUAL TEMP CONTROLLER P/N: 1300670-6, S/N: 00380. INSTALLED MODIFIED DUAL TEMP CONTLLR OILER P/N: 1300670-8, S/N: 00608. LEAK TEST PERFORMED WITH SATIS RESULTS. SYSTEM CHARGED WITH 4.41 LBS OF R-134A. WORK PERFORMED IAW AMM TASK 21-52-01-400-801-A. PERFORMED SATIS OPS CHECK OF THE VCS. ALL WORK PERFORMED IAW AMM CH. 21-52-01 AND CH. 21-61-01.

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