Service difficulty report · Pitot Tube · Boeing 737890

Difficulty date
December 29, 2020
Submitted
January 1, 2021
Operation
Air carrier
Aircraft
N597AS
Make and model
Boeing 737890
Aircraft serial
35689
Aircraft time
46,382 hours, 14,005 cycles
Part
Pitot Tube
Part number
0851HT1
Condition
Inoperative
Location
Aux
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

AUX PITOT ANNUNCIATED. GROUNDED-YES. PERFORMED B737-800 FIM TASK 30-31 801, PULLED 10 C/B'S AND RESET, FOUND THAT AUX PITOT PROBE IS BAD, NO RESISTANCE. REMOVED AND REPLACED AUX PITOT PROBE, PER B737-800 AMM 34-11-01. OPERATIONS CHECK GOOD, PER AMM 34-11-01. PERFORMED LEAK TEST OF AUX PITOT SYSTEM, PER AMM 34-11-00. PULLED AND CLOSED 10 C/B'S LEAK TEST PASSED & WITHIN LIMITS 52471. PERFORMED RESISTANCE TEST, PER AMM 34-11-01. RESISTANCE WITHIN LIMITS 67733. THIS CLEARS MEL 30-5E C/N 29019597. SEAMC MIKE NOTIFIED.