# SDR Y2PA2026100126022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2026
- Submitted: October 1, 2026
- Operation: Air carrier
- Aircraft: [N835US](https://openairdocs.org/aircraft/N835US), registered now
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53172
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Coalescer Bag
- Part number: 21D101
- Condition: Dirty
- Location: Zone 100
- Part time: 977 hours, 504 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/Y2PA2026100126022

## Discrepancy

THE FLIGHT CREW REPORTED THAT ENGINE ANTI-ICE HAD BEEN USED SEVERAL TIMES DURING THE FLIGHT AND PREVIOUS FLIGHT. AS THE CREW GOT CLOSER TO THEIR DESTINATION ENGINE ANTI-ICE WAS TURNED ON & IT PRODUCED SIGNIFICANTLY MORE FUMES & ODOR THAN NORMAL. THE ENGINE ANTI-ICE WAS TURNED OFF AS ACFT EXITED ICING CONDITIONS. CAPTAIN BRIEFED THAT IF ENGINE ANTI-ICE WAS NEEDED AGAIN AND IF THE FUMES CAME BACK, THAT THE CREW WOULD DON OXYGEN MASKS. ANTI-ICE WAS NOT NEEDED FOR THE REMAINDER OF THE FLIGHT. AIRCRAFT LANDED WITH NO FURTHER ISSUES.  MAINTENANCE IN KLRD FOUND THE RT WATER SEPARATOR COALESCER BAG TO BE DIRTY. MAINT R & R THE RT COALESCER BAG WITH A SERVICEABLE UNIT. MAINT CHKD THE AIR CYCLE MACHINE MAGNETIC PARTICLE PLUG AND FOUND NO EVIDENCE OF METAL. PERFORMED OPERATION CHECK OF THE CABIN RECIRCULATION FAN, ALL OPS AND LEAK CHECKS GOOD. NO DEFECTS NOTED. ALL WORK DONE IAW AMM 21-20-02, 21-20-12, AND 21-51-01.

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