SDR CALA2025123012512

Service difficulty report · Unknown · Boeing 737724

Difficulty date: December 26, 2025
Submitted: December 30, 2025
Operation: Air carrier
Aircraft: N29717
Make and model: Boeing 737724
Aircraft serial: 28936
Aircraft time: 78,228 hours, 28,555 cycles
System (JASC): 2120 · Air Distribution System
Part: Unknown
Condition: Odor
Location: Cabin
Stage of operation: CL
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

SMELLED BURNING HYDRAULI C FLUID, 8000 FT THROUGH TD ON SNA ARRIVAL. PRESSURIZED HYD AND RAN PACKS FOR A WHILE, MOVED FLIGHT CONTROLS AND CHECKED FOR LEAKS ALSO CHECKED CABIN FOR SMELLS, UNABLE TO DUPLICATE THE SMELL, NO PREVIOUS HISTORY.