# SDR DXTA2023021780540

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N411QS](https://openairdocs.org/aircraft/N411QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500432
- Aircraft time: 4,759 hours, 3,643 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2023021780540

## Discrepancy

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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