Service difficulty report · Transmitter · Boeing 767322

Difficulty date
January 4, 2022
Submitted
January 5, 2022
Operation
Air carrier
Aircraft
N653UA
Make and model
Boeing 767322
Aircraft serial
25391
Aircraft time
114,463 hours, 17,748 cycles
Part
Transmitter
Part number
367027020
Condition
Unserviceable
Location
N/A
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

L HYD QTY ZEROINFLT. PRESS NORMAL. INSPECTED LH PYLON AREA FOR ANY EVIDANCE OF LEAK AND EDP ALL DRY REMOVED AND REPLACED LEFT HYD QTY TRANSMITTER I.A.W. M/M NO LEAK NOTED ALSO FLIGHT CNT NO LEK NOTED VERIFIED RESERVOIR 29-33-02-004-001 AND 29-33-02-404-014 UP TO AND INCLUDING G13. 75% FULL BUT QUANTITY READS ZERO. NEED TO REPLACE LH RESERVOIR SERVICED LEFT SYSTEM WITH 6 CANS OF HYD FLUID QTY STILL READING QUANTITY XMTER ZERO. NEEDS FURTHER T/S. ADD EMP:U181029,U180545 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1925294 SN OFF 7492 IPC REFERENCE # 29-33-00 TROUBLESHOT LEFT HYDRAULIC SYSTEM QUANTITY PER FIM TASK 29-11 29-33-02-404-014 FROM STEP 3.G(13) TO COMPLETION. LEAK CKS GOOD. FAULT TREE 817. REMOVED AND REPLACED HYDRAULIC FLUID QUANTITY ROTABLE PARTS CHANGE WAS INDICATED - TT # 1926021 SN OFF 0478 MONITOR UNIT, M122, PER AMM 29-33-01. OPS CHECKS GOOD. COMPLETED INSTALLATION OF LEFT RESERVOIR QTY TRANSMITTER PER AMM MONITOR, HYDRAU OFF 76-2932-9-0002 0478 ON 76-2932-9-0002 0228