Service difficulty report · Pump · Boeing 757222

Difficulty date
July 13, 2016
Submitted
July 25, 2016
Operation
Air carrier
Aircraft
N988FD
Make and model
Boeing 757222
Aircraft serial
26705
Aircraft time
61,277 hours, 22,461 cycles
Part
Pump
Part number
5007436C
Part serial
0846
Condition
Failed
Location
Engine
Stage of operation
CL
How discovered
O
Nature of condition
M
Precautionary procedure
A

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

What was found

ON CLIMBOUT AT 11,500 FT AND OIL TEMP WENT INTO YELLOW BAND FOR APPROX 2 MINUTES COMPLIED WITH RED TABS, BROUGHT POWER BACK AND TEMP DECREASED BELOW YELLOW. WHILE CLIMBING: LT OIL PRESSURE 170, LT OIL TEMP 137, RT OIL PRESSURE 130, RT OIL TEMP 161 AT FLIGHT IDLE: LT OIL PRESSURE 126, LT OIL TEMP 138, RT OIL PRESSURE 126, RT OIL TEMP 147. ACFT TO GW 151.4, CLIMB 2 SELECTED IN CLIMB. R&R OIL PUMP IAW MM 79-21-04-4. REQUIRES LEAK CHECK AND ENGINE RUN. R&R FUEL/OIL HEAT EXCHANGER BYPASS VALVE IAW 79-21-02-4. LEAK AND OPS CHECKED GOOD. PREMATURE REMOVAL/INSTALLATION OFF MPN: 5007436C POS 2. R&R LUBE AND SCAVANGE OIL PUMP DUE TO LEAK IN FILTER HOUSING IAW MM 79-21-04-04. LEAK AND OPS CHECKED GOOD. R&R FUEL/OIL HEAT EXCHANGER IAW MM 79-21-01-4. OPS CHECKED AND LEAK CHECKED GOOD. R&R FUEL/OIL HEAT EXCHANGER IAW MM 79-21-01-4. OPS CHECKED AND LEAK CHECKED GOOD. PERFORMED RT ENGINE HIGH POWER RUN REF JRH. OIL TEMP DID NOT EXCEED 135 AFTER 10 MINUTES. OIL TEMP CHECKS GOOD REF AMM 71-00-00-2 FIG 208 SH 1.