Service difficulty report · Wire · Boeing 767322

Difficulty date
August 14, 2012
Submitted
September 8, 2012
Operation
Air carrier
Aircraft
N652UA
Make and model
Boeing 767322
Aircraft serial
25390
Aircraft time
87,444 hours, 13,937 cycles
Engine
Pwa PW4060
Part
Wire
Condition
Chafed
Location
Vacuum Blower
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

AFT VACUUM BLOWER (LAV SYS 1) CIRCUIT BREAKER POPPED. TROUBLESHOT AS PER WD 38-32-11. FOUND NO POWER AT PINS 2 AND 3 ON D1266, HAVE 115V AC AT PINS 22 2 0 24 ON D6314 NEED TO CHECK FROM D1266 BACK. NO FURTHER TIME DUE TO AC MOVEMENT BLOWER SYSTEM DEACTIVATED AS PER MEL CP PULLED. FOUND CHAFED WIRES W1354 -017-12 AND W1354-001-16 REF WDM 38-32-11 AND 21-26-11. REPAIRED WIRES WITH A SEALED SPLICE AT STA. 1550 FWD OF CABIN PRESSURE OUTFLOW VALVE (V15) PER SWPM 20-10-13 AND 20-30-12. OPS CHECK GOOD.