# SDR ASAA1251251

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2012
- Submitted: June 8, 2012
- Operation: Air carrier
- Aircraft: [N557AS](https://openairdocs.org/aircraft/N557AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35176
- Aircraft time: 22,049 hours, 6,561 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1251251

## Discrepancy

FLT ATTN REPORT : 6 10 PASSENGERS HOT EXTREMELY UNCOMFORTABLE MOST OF THE FLT DESPITE REPEATED ATTEMPTS FROM THE FLT DECK TO COOL IT OFF.  BITE CHECKED BOTH NR 1 AND NR 2 ZONE TEMP CONTROLLERS.  REF MM 21 61 00.  NO FAULTS.  INSPECTED PCA VENTS AT ROWS 6 10 AND AIR FLOW FROM OVERHEAD DUCTS.  NO FAULTS NOTED.  AIRFLOW NORMAL TEMP.  REGULATES TO COOL NORMALLY.  COULD NOT CUPLICATE DISCREPANCY.  NO HISTORY FOUND.

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