# SDR ASAA2026100469082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2026
- Submitted: October 7, 2026
- Operation: Air carrier
- Aircraft: [N723AL](https://openairdocs.org/aircraft/N723AL), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67428
- Aircraft time: 7,670 hours, 2,320 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Float Valve
- Part number: 12D10212
- Condition: Faulted
- Location: Aft Sill Drain
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026100469082

## Discrepancy

DURING INITIAL CLIMBOUT ON DEPARTURE FROM MAUI F/AS CALLED & REPORTED NOXIOUS ODOR, FUMES REAR OF ACFT. RAN QRH CHECKLISTS, PERFORMANCE & DIVERTED HNL. GROUNDED - YES. DIVERSION - FOUND AFT DOOR SILL DRAINS NOT DRAINING. REPLACED AFT DOOR SILL DRAIN FLOAT VALVE REF AMM 38-31-06-400-802, WATER NOW DRAINS, NO LEAKS NOTED. OPS TEST CHECKED GOOD. PERFORMED CONDITIONAL INSPECTION REF AMM 05-51-13-211-801, NO FURTHER LEAKS FOUND OR DAMAGES NOTED. ALSO HAD CABIN CARPETS DEEP CLEANED, SMELL IS NO LONGER PRESENT.

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