Service difficulty report · Pressure Switch · Boeing 767375

Difficulty date
October 28, 2019
Submitted
October 31, 2019
Operation
Air carrier
Aircraft
N1709A
Make and model
Boeing 767375
Aircraft serial
24086
Aircraft time
93,206 hours, 21,762 cycles
Part
Pressure Switch
Part number
21C1321
Part serial
W009274
Condition
Malfunctioned
Location
Fuel System
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
H

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

What was found

R FWD FUEL PUMP EICAS.(<P>TRANSFERRED TO MDDR #119797 PER DDG 28-22-01, CAT 'C', DUE DATE: 07-NOV-19. MTX PROC C/W, MCC NOTIFIED AND PLACARDS INSTALLED. RESTRICTED TO 120 MIN. </P><P>LP 1212657 - M6: REMOVED AND REPLACED R/H FWD BOOST PUMP IAW AMM 28-22-03. OPS CHECK & LEAK CHECK GOOD, NO DEFECTS NOTED AT THIS TIME. OFF PART (PN: 5006003D, SN: 2024).</P><P>LP 1212659 - M12: ADDITIONAL TROUBLESHOOTING NEEDED, MDDR 119797 RE-OPENED. </P><P>LP 1212575 - M2: REMOVED AND REPLACED LEFT FWD BOOST PUMP PRESSURE SWITCH IAW AMM 28-42-01, OPS AND LEAK CHECK GOOD.</P><P>LP 1212575 - M3: RESET GFI RELAY IN P141. R FWD BOOST PUMP OPS CHECK GOOD PER AMM 28-22-00. THIS CLEARS MDDR 119797. PLACARDS REMOVED AND MCC NOTIFIED.</P>)