Service difficulty report · Adc · Airbus A300F4605R

Difficulty date
November 11, 2020
Submitted
November 17, 2020
Operation
Air carrier
Aircraft
N662FE
Make and model
Airbus A300F4605R
Aircraft serial
761
Aircraft time
32,952 hours, 18,330 cycles
Part
Adc
Part number
4045053914
Part serial
88020638
Condition
Failed
Stage of operation
CR
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

DURING DEPARTURE NAV ADC IAS DISCREPANCY ON CAPT'S SIDE MASTER WARNING FOR OVERSPEED DISCREPANCY. SELECTED "SYS" 2 ON ADC SWITCHING PANEL FOR F/O'S AIRSPEED INFO ON CAPT'S SIDE. MULTIPLE EXTRA ADC ISSUES ON ECAM REPORTED TO MAINTENANCE AFTER LANDING. REMOVED ADC 1 AND DISCONNECTED AOA L, REF A300-600 ASM 34-11-00 AND AWM 34-11-01. PERFORMED CONTINUITY CHECKS FROM 48FL1 AOA SENSOR L PINS C, D, H, *E TO 1FL1 ADC 1 AB PINS 4K, 4H, 4J. FOUND OPEN BETWEEN C AND 4H AND ALSO D AND 4 J. AT 84VT MOD BLOCK FOUND WIRE IN C NOT LOCKED IN. REMOVED, RESEATED AND CONFIRMED LOCK OF WIRE AND CONTACT IN C OF 84VT 13. FOUND WIRE IN D NEARLY OUT OF THE MOD BLOCK. REMOVED, RESEATED, AND CONFIRMED LOCK OF WIRE AND CONTACT IN D OF 84VT 13. PERFORMED FULL CONTINUITY FROM ADC 1 TO AOA L RESOLVER 2 AND ALL CHECKS GOOD NOW. PERFORMED AFS TEST AND LAND TEST, IAW A300-600 MM 22-40-00-5. ALL TEST PASSED.

More about the Airbus A300 F4-605R