# SDR ASAA2026092767163

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2026
- Submitted: October 1, 2026
- Operation: Air carrier
- Aircraft: [N488HA](https://openairdocs.org/aircraft/N488HA), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55001
- Aircraft time: 42,177 hours, 68,637 cycles
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Coalescer Bag
- Part number: 21BC124G
- Condition: Odor
- Location: Zone 100
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026092767163

## Discrepancy

DMI# 407496 MUSTY SMELL CAUSING WATERING EYES WITH APU RUNNING. ( AUXILIARY POWER UNIT (APU)(NOTE MANIFOLD ISOLATION VALVE MUST BE OPERATIONAL) ). GROUNDED - YES. INSPECTED APU COMPARTMENT AND COMPRESSOR. NO OIL BESIDES SLIGHT ON PLENUM. PERFORMED FIM 49-50 TASK 807. REPLACED BOTH LH & RH COALESCER BAGS AND CLEANED WATER SEPARATOR INLET LINE. OPERATED PACKS WITH APU. NO ODOR NOTED. PLACARD REMOVED. MIC SHEET UPDATED. OK FOR SERVICE.

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