SDR SRAA99506

Service difficulty report · Relay · Doug DC873F

Difficulty date: September 14, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N873SJ
Make and model: Doug DC873F
Aircraft serial: 46091
System (JASC): 3260 · Landing Gear Position and Warning
Part: Relay
Part number: 42028B
Condition: Defective
Location: Landing Gear
Stage of operation: CL
Nature of condition: J
Precautionary procedure: J, A

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

What was found

FLIGHT 173 - MIAMI - AFTER TAKING OFF, WHEN LANDING GEAR CAME UP AND LOCKED TAKEOFF WARNING HORN CAME ON, AND AIRCRAFT WOULD NOT PRESSURIZE. DUMPED FUEL AND COMPLETED AIR TURN BACK TO MIAMI. TROUBLESHOT SYSTEM AND FOUND GROUND CONTROL RELAY DEFECTIVE. REPLACED RELAY, OPS CHECKED GOOD PER MAINTENANCE MANUAL. (M)

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