SDR TWRA96289

Service difficulty report · Pt2 Probe · Boeing 747136

Difficulty date
August 22, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N606FF
Make and model
Boeing 747136
Aircraft serial
20273
Engine
Pwa JT9D7A
Part
Pt2 Probe
Part number
65B912674
Condition
Cracked
Location
Nr 3 Eng
Stage of operation
DE
Nature of condition
M, R
Precautionary procedure
E

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

What was found

ON DESCENT FROM FL 390 THROTTLES RT BACK TO STOP, ENG AUDIBLE STALL ON NR 3 ENG. ENG SHUTDOWN, EGT 810 DEGREES CELSIUS. RELITE ATTEMPT AT FL 200 N2 40 PERCENT MAX EGT APPROACHED 650 DEGREE CELSIUS ENG SHUTDOWN SECOND RELITE ATTEMPT AT FL 110 WAS A NORM START ENG RAN NORM REMAINDER OF FLT PERFORMED PT2 LEAK CHK. FOUND PT2 PROBE CRACKED. REPLACED PT2 PROBE PER MM 77-11-06. LK CHECKED GOOD PER WIC 77-202-0. R/R PRBC AND FUEL AIR CONVERTER AS PER WIC 75-364 AND WIC 75-365. OPS AND LEAK CHECKED NORM, PERFORMED WIND MILL INSPECT, REPLACED OIL FILTER AND INSPECT CHIP DETECTORS. NO CHIPS FOUND, PERFORMED BOROSCOPE INSPECT OF COMPRESSOR AND TURBINE NO DEFECTS FOUND PER MM 72-00-00. A/C RETURNED TO SERVICE. (M)