# SDR ASAA2017110222415

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2017
- Submitted: November 6, 2017
- Operation: Air carrier
- Aircraft: [N461AS](https://openairdocs.org/aircraft/N461AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36363
- Aircraft time: 14,365 hours, 4,717 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Fan
- Part number: 041510000
- Condition: Obstructed
- Location: Temp Sensor
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017110222415

## Discrepancy

UNABLE TO CONTROL FWD CABIN TEMPERATURE.  CONTINUED TO RISE EVEN AT FULL COLD. TURNED THE FWD CONTROLLER TO OFF IN ORDER TO MAINTAIN A GOOD TEMPERATURE.  ACFT GROUNDED.  FOUND THE FWD TEMP SENSOR FAN BINDING WITH LANYARD.  POSITIONED THE LANYARD, FAN OPS CHECKED OK.  PERFORMED FIM 21-61, 864.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.