SDR SCNA202103180001

Service difficulty report · Computer · Boeing 7378

Difficulty date: March 18, 2021
Submitted: March 18, 2021
Operation: Air carrier
Aircraft: N831SY
Make and model: Boeing 7378
Aircraft serial: 28249
Aircraft time: 58,560 hours, 26,645 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Computer
Condition: Leaking
Location: Elevator Feel
Stage of operation: DE
How discovered: O
Nature of condition: K, B
Precautionary procedure: O

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

What was found

FLIGHT ATTENDANTS IN THE REAR OF THE AIRCRAFT HAD A FUME EVENT ON DESCENT THROUGH ABOUT 10,000 FT. PERFORMED HYDRAULIC SYSTEM EXTERNAL LEAKAGE CHECK REF AMM 29-00-00-790-801. FOUND LEAK AT ELEVATOR FEEL COMPUTER, LEAKING ONTO APU BLEED AIR DUCT CAUSING FUMES. TORQUED LOOSE UNION FITTING REF AMM 27-31-37-400-801, LEAK CHECK GOOD NO DEFECTS NOTED

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