Service difficulty report · Probe · Boeing 757236

Difficulty date
June 15, 2021
Submitted
June 21, 2021
Operation
Air carrier
Aircraft
N977FD
Make and model
Boeing 757236
Aircraft serial
24118
Aircraft time
50,853 hours, 24,091 cycles
Engine
Rroyce RB211535*
Part
Probe
Condition
Obstructed
Location
P1
Stage of operation
CL
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

ON CLIMB OUT FROM LCK RIGHT MOTOR SHOWED IN THE YELLOW FOR EGT AND ABNORMALLY LOW EPR, ALSO HIGHER THAN NORMAL N1 AND FUEL FLOW; BUT THE THROTTLES WERE STAGGERED WITH THE RIGHT BEING FURTHER AFT. AUTOTHROTTLES KICKED OFF AND WE PULLED THE THROTTLE TO IDLE AND LEFT IT THERE FOR REMAINED OF THE FLIGHT AND IT RAN FINE. DECLARED AN EMERGENCY AND DIVERTED TO KIND. INSPECTED P1 PROBE AND FOUND AN INSECT STUCK INSIDE. DISCONNECTED P1 AIR TUBES AT P1 AIR ACCUMULATOR AND AT FFG AND PURGED SYSTEM WITH DRY NITROGEN. P1 PROBE IS NOW CLEAR AND GOOD AIR FLOW AT ALL POINTS. RECONNECTED AIR TUBES IAW AMM 70-51-00- 2.