# SDR W6JA201906197034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2019
- Submitted: June 19, 2019
- Operation: Air carrier
- Aircraft: [N606PS](https://openairdocs.org/aircraft/N606PS), registered now
- Make and model: Gulstm GIV
- Aircraft serial: 1477
- Aircraft time: 9,254 hours, 3,502 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 220470061
- Part serial: 19986
- Condition: Failed
- Location: Left
- Part time: 1,277 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: H, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/W6JA201906197034

## Discrepancy

AFTER DEPARTURE, SMOKE WAS OBSERVED IN THE CABIN, ALONG WITH A CAUTIONARY EICAS MESSAGE LT COOL TURB HOT. CREW SELECTED THE L PACK TO OFF, SMOKE SLOWLY DISSIPATED AND FLIGHT DIVERTED BACK TO DEPARTURE. REMOVED FAILED LT COOLING TURBINE AND INSTALLED OVERHAULED UNIT , ALL WORK PERFORMED IN ACCORDANCE WITH MSG3 AMM 21-01-09 AND AMM 21-00-00

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