Service difficulty report · Air Data Module · Boeing 737823

Difficulty date
June 28, 2020
Submitted
June 30, 2020
Operation
Air carrier
Aircraft
N803NN
Make and model
Boeing 737823
Aircraft serial
29566
Aircraft time
33,426 hours, 13,499 cycles
Part
Air Data Module
Part number
C17001DA01
Condition
Malfunctioned
Location
First Officer'S
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

GROUNDED, CLIMBING OUT OF FL300, F/O AIRSPEED UNRELIABLE. BELOW FL200, INSTRUEMENTS NORMAL. RTD & LANDED SAFELY, NO FURTHER INCIDENT. NO EMERGENCY DECLARED. R & R F/O STATIC ADM IAW AMM 34-21-04. R & R ANGLE OF ATTACK SENSOR IAW AMM 34-21-05. R & R PITOT PROBE IAW AMM 34-11-01. R & R PITOT AIR DATA MODULE IAW AMM 34-21-04. ACCOMPLISHED ADIRU OPS CHECK IAW AMM 34-21-00, HUD OPS TEST IAW AMM 34-36-00, RT PITOT STATIC FULL RANGE LEAK CHECK IAW AMM 34-11-00, SMYD BITE CHECK IAW AMM 27-32-00, PITOT FLUSH & LEAK TEST IAW AMM 34-11-00, PITOT ADM FLUSH IAW AMM 34-21-04, CDS/DEU 1 & 2, BITE CHECK IAW AMM 31-62-21 & FMCS IAW AMM 34-61-00, TESTED NORMAL, CHECKED GOOD, OK FOR SERVICE.