Service difficulty report · Probe · Boeing 75728A

Difficulty date
September 12, 2019
Submitted
September 12, 2019
Operation
Air carrier
Aircraft
N971FD
Make and model
Boeing 75728A
Aircraft serial
26277
Aircraft time
49,522 hours, 16,681 cycles
Part
Probe
Part number
851JB
Condition
Obstructed
Location
Egt
Part time
43,482 hours, 12,822 cycles
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

PDIS 971 77-00 6015 12SEP19 RIC OPEN U LOGPAGES:3180701 CONTINUED FROM LOG PAGE 2966550, CONTINUED OPERATION OF RT ENG AT IDLE TO LANDING. FIRST INDICATION OF PROBLEM WAS 1 SEC AMBER EGT INDICATION ON RT ENG PRIOR TO THRUST REDUCTION. NO OTHER ACCOMPANYING EICAS ALERTS OR ENG EXCEEDANCE. SEE WRI 77-00 6014. FACT 12SEP19 05:37 RIC UPON INSPECTION OF THE #2 ENGINE P1 PROBE, FOUND EVIDENCE OF INSECT OBSTRUCTING P1 PROBE, REMOVED OBSTRUCTION WITH NITOGEN INSECT REMAINS CAUGHT IN PAPER TOWEL. RAN ENGINE AT POWER SETTING ALL ENGINE PARAMETERS NORMAL, ALSO PERFORMED BITE ON #2 EEC FAULT CODES 43 AND 47 DISPLAYED ALL WORK ACCOMPLISHED IAW FIM 73-21-00-3 AND 757 JRH. ACFT OK FOR SERVICE. SEE WRI 77-00/6014 FOR MORE INFO.

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