# SDR JJBA2018061907001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2018
- Submitted: June 19, 2018
- Operation: Air carrier
- Aircraft: [N33182](https://openairdocs.org/aircraft/N33182), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 14500909
- Aircraft time: 33,407 hours, 21,210 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Smoke
- Location: Cabin & Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/JJBA2018061907001

## Discrepancy

SMOKE AND FUMES IN THE CABIN, FUMES IN COCKPIT SHORTLY AFTER TAKEOFF.  R & R THE NR 1 HEAT EXCHANGER. OPS CHECKED GOOD. LEAK CHECK GOOD.  FOUND GRATE ASSEMBLY DAMAGED.  R & R THE GRATE ASSEMBLY.  OPS AND LEAK CHECKED GOOD.  FOUND THE NR 1 ACM TO BE SEIZED.  ACM WOULD NOT TURN ON WITH BLEED AIR ON.  FOUND SIGNS OF DAMAGE TO THE COMPRESSOR BLADES OF THE ACM.  R & R THE NR 1 ACM.  OPS CHECKED GOOD.  LEAK CHECK GOOD.  R & R THE DUCT SENSOR.  OPS AND LEAK CHECKED GOOD. R & R THE PACK DUCT OVER TEMPERATURE SWITCH.  OPS AND LEAK CHECKED GOOD. FOUND INCORRECT SWITCH INSTALLED IN THE NR 1 PACK SET DOWN SWITCH LOCATION.  R & R THE NR 1 PACK SET DOWN SWITCH.  OPS CHECKED GOOD.  NO DEFECTS NOTED.  R & R THE PACK OVER TEMPERATURE SWITCH.  OPS AND LEAK CHECKED GOOD.

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