SDR CALA2010110100511

Service difficulty report · Fire Warning · Boeing 737524

Difficulty date: November 1, 2010
Submitted: November 1, 2010
Operation: Air carrier
Aircraft: N18622
Make and model: Boeing 737524
Aircraft serial: 27526
Aircraft time: 43,438 hours, 23,185 cycles
System (JASC): 2612 · Fire Detection
Part: Fire Warning
Condition: False Activation
Location: Cockpit
Stage of operation: CR
How discovered: O
Nature of condition: N
Precautionary procedure: K

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

What was found

CRUISE FLT FL300 MASTER WARNING WHEEL WELL FIRE LIGHT AND BELL W/ 3 GEAR UNSAFE LIGHTS. RAN QRH LIGHTS EXTINGUISHED AFTER 3-4 MIN. LANDING NORMAL 3 GREEN ONCE GEAR EXTENDED AND LOCKED. INSPECTED CONNECTORS D4574P AND D4834P FOR CONTAMINATION /MOISTURE, NO DEFECTS FOUND. REF WD 26-12-11. WHEEL WELL OVERHEAT DETECTION SYSTEM OPS CHECKS GOOD PER AMM 26-17-00. LANDING GEAR POSITION INDICATING AND WARNING SYSTEM OPS CHECKS GOOD PER AMM 32-61-00. (CYCLED GEAR 10 TIMES-NO FAULTS) "FOR SDR REPORTING".