SDR CALA2009051900256

Service difficulty report · Terminal Block · Boeing 737924

Difficulty date: May 10, 2009
Submitted: May 19, 2009
Operation: Air carrier
Aircraft: N37408
Make and model: Boeing 737924
Aircraft serial: 30125
Aircraft time: 24,040 hours, 10,059 cycles
System (JASC): 2497 · Electrical Power System Wiring
Part: Terminal Block
Part number: MS27212211
Condition: Damaged
Location: Cockpit
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

TERMINAL BLOCK TB5060E BEHIND P6-4 PANEL SHOWS EVIDENCE OF WIRES ARCING. REMOVED AND REPLACED TERMINAL BLOCK 5060E AND TERMINAL LUGS ON WIRE NR'S W40-6120-14, W406133-14, W5901-902-10, W40-0043-8, W40- 6154-8, W40-6145-14 IAW SWPM 20-30-00 AND 20-30-11 WORK ACCOMPLISHED IAW B737-789 WDM 24-51-21 ON P6-4 PANEL. SYSTEM OPS CHECKED GOOD IAW B737-789 24-41-21 AND 24-34-00.