Service difficulty report · Float Valve · Boeing 7379

Difficulty date
October 4, 2026
Submitted
October 7, 2026
Operation
Air carrier
Aircraft
N723AL
Make and model
Boeing 7379
Aircraft serial
67428
Aircraft time
7,670 hours, 2,320 cycles
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

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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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