Service difficulty report · Probe · Boeing 757200

Difficulty date
August 12, 2022
Submitted
August 12, 2022
Operation
Air carrier
Aircraft
N939FD
Make and model
Boeing 757200
Aircraft serial
24528
Aircraft time
65,486 hours, 25,006 cycles
Engine
Rroyce RB211*
Engine time
2,383 hours, 1,861 cycles
Part
Probe
Part number
851JB
Part serial
308558
Condition
Dirty
Location
Lt Engine
Stage of operation
CL
How discovered
O
Nature of condition
R
Precautionary procedure
K

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

What was found

PDIS 939 77-15 0226 11AUG22 CDG FACT U ON CLIMB OUT LEFT ENGINE PRODUCED APPROX. 1/3 LESS POWER THAN RIGHT ENGINE. CONTACTED GOC/MOC WITH PARAMETERS AND CONTINUED TO CDG. SHGN 12AUG22 02:09 CDG U FRMFIMFX1 73-21-00-3-0-R PERFORMED: FAULT CODE 47 FOUND (P1 FROM EPR FAILED) FRMFIMFX1 77-11 FAULT TREE 802 PERFORMED: FOUND FOREIGN OBJECT IN P1 PROBE. P1 PROBE CLEANED AND FLUSHED IAW 77-11-04-6. NEED TO RUN ENGINE AT IDLE AND DO AN EEC TEST AFTER RUN PER MOCC POWERPLANT, IF GOOD ITEM CAN BE CLOSED AFTER TEST. FACT 12AUG22 06:37 CDG U L/H ENGINE RAN PER JRH ALL PARAMETERS NOMINALS. L/H ENGINE EEC BITE PERFORMED PER AMM 73-21-00-02-01. NO PRESENT FAULT FOUND. A/C OK FOR SERVICE.

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