Service difficulty report · Probe · Boeing 737823

Difficulty date
December 31, 2019
Submitted
January 2, 2020
Operation
Air carrier
Aircraft
N967AN
Make and model
Boeing 737823
Aircraft serial
29545
Aircraft time
56,377 hours, 23,269 cycles
Part
Probe
Part number
0851HT1
Part serial
222386
Condition
Unreliable
Location
Pitot/Static Sys
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

AIRCRAFT WAS GROUNDED: PILOT REPORTS ON CLIMBOUT, ENTERING CLOUDS AT 15,000 FT. CAS AIRSPEED BECAME UNRELIABLE, WITH IAS AND ACT DISAGREE WARNINGS ILLUMINATED. FO & STANDBY INST WERE IN AGREEMENT. CONDITION REMAINED ENTIRE FLIGHT UNTIL 13,000 ON DESCENT. MAINTENANCE REMOVED AND REPLACED CAPTS PITOT PROBE IAW AMM 34-11-01. OPS AND LEAK CHECK GOOD IAW AMM 34-11-00.