Service difficulty report · Monitor · Boeing 767424ER

Difficulty date
September 2, 2011
Submitted
September 2, 2011
Operation
Air carrier
Aircraft
N77066
Make and model
Boeing 767424ER
Aircraft serial
29461
Aircraft time
42,179 hours, 7,690 cycles
Part
Monitor
Part number
367027020
Part serial
478
Condition
Malfunctioned
Location
Hydraulic Sys
Part time
14,354 hours, 2,212 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

RT HYD QTY IND INOP FAULT CONFIRMED. PERFORMED VIS INSP EXT & OPS CKED ALL SURFACES NTF & NO LEAKAGE FOUND. HYD PRESS IND SYS NORMAL. ALSO RT RES TANK VIS INSP FULL & NO LEAKAGE. ITEM DEF PER MEL 29-33-02R C/N 565391. FLWD DDPG COMPLETED PER MEL 29-33-02 CHK'D CONTINUITY FROM D2704B & D60 PER WDM29-33-11, CHK'S GOOD. (CONT) EXTENSION C/N: 066083012. VERIFIED GROUND(S) AT D2704B & D60, ALSO CHK'S GOOD. NO TIME TO MEG WIRES, PLA REMAINS FOR FURTHER TROUBLESHOOTING. VERIFIED HYD QTY AT RESERVOIR PER MEL 29-33-02R, OK TO CONTINUE. NEED TO CHECK POWER AT HYD QTY MONITOR UNIT AT CONNECTOR D2 704B PIN A11 (115AC). ALSO MEGGER WIRING BETWEEN D60 AND D2704B REF WDM 29-33-11 SHEET 2 INSTALLED KNOWN GOOD HYD QTY MONITOR UNIT PER AMM 29-33-01 & REMOVED ANAD REPLACED HYD FLUID QTY TRANSMITTER IAW AMM 29-33-02, OPS & LEAK CHECK GOOD. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1198322 S/N OFF 00478 TT # 1438002 S/N OFF 05242 MONITOR, HYD QT OFF 64-2933-9-0001 0478 ON 64-2933-9-0001 0488 TRANSMITTER, HYD OFF 99-2936-9-9002 5242 ON 99-2936-9-9002 653.