# SDR DALA2026101905717

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2026
- Submitted: October 19, 2026
- Operation: Air carrier
- Aircraft: [N586NW](https://openairdocs.org/aircraft/N586NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32987
- Aircraft time: 79,604 hours, 26,474 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Valve
- Condition: Malfunctioned
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026101905717

## Discrepancy

RUBBER BURNING ODOR AT ROW 43,  REPORTED BY PASSENGER.   NOTED AFT TRIM VALVE ERATICALLY SWINGING FULL HOT SEVERAL TIMES. REMOVED, CLEANED, & REPLACED INSTALLED NEW FILTER AND GRILL IAW AMM 21-61. (1857399)(AIRCRAFT GROUNDED)

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