Service difficulty report · Module · Boeing 737932ER

Difficulty date
October 3, 2021
Submitted
October 6, 2021
Operation
Air carrier
Aircraft
N830DN
Make and model
Boeing 737932ER
Aircraft serial
31940
Aircraft time
19,898 hours, 7,579 cycles
Part
Module
Part number
C17001DA01
Part serial
6902
Condition
Inoperative
Location
#1
Part time
19,878 hours, 7,571 cycles
Stage of operation
DE
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

SHIP 3830 -DE- DUE TO CAPTAIN'S AIRSPEED INDICATION UNRELIABLE. FIRST OFFICER'S AND STANDBY INDICATION VERIFIED CORRECT. CORRECTIVE ACTION: PERFORMED 1-2 ADIRU AND SMYD 1-2 BITE CHECKS. NO CURRENT OR PREVIOUS FLIGHT FAULTS. EEC 1-2 FAULTS 73-31641 AND 73-31642 (ADIRU PRESSURE DISAGREE) RECORDED. DEUS 1-2 RECORDED FAULTS 31-65060 (AIRSPEED DISAGREE), 31-65050 (ALT DISAGREE), 3165010 (PITCH DISAGREE) AND 31-65020 (ROLL DISAGREE). REPLACED LT AOA AND LT PITOT ADM. PERFORMED PITOT STATIC TEST PER B737 AMM. OPS CHECKS GOOD.