Service difficulty report · Thermostat · Airbus A320214

Difficulty date
December 6, 2019
Submitted
December 10, 2019
Operation
Air carrier
Aircraft
N282VA
Make and model
Airbus A320214
Aircraft serial
6704
Aircraft time
14,939 hours, 5,049 cycles
Part
Thermostat
Part number
341F010000
Part serial
14670
Condition
Failed
Location
Wing Anti Ice
Part time
14,943 hours, 5,051 cycles
Stage of operation
DE
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

R/H WING ANTI-ICE FAULTED DURING DESCENT. GROUNDED - YES. BMC2 LOGGED 36-11-00 PRESS REG-V 4001HAZ OR SOL 10HAZ OR SENSE LINE. BMC2 BITE CK NORMAL, REF MM 36-11-00-740-001A B. SNYDER 09210. ACCOMPLISHEDFUNCTIONAL TEST OF SENSE LINES CONNECTED TO BLEED PRV. FOUND BAD SENSE LINE UPSTREAM OF PRV AND NION PER M/M 36-11-00-720-007-A01, STEP 4A FUNCTIONAL TEST OF SENSE LINE CONNECTED TO CONTROL SOLONOID LEAK CK GOOD PER STEP B, T.TRIMBLE 15732. REPLACED BLEED PRV CONTROL SOLONOID PER AMM 36-11-55. REPLACVED SENSE LINE BETWEEN BLEED PRV CONTROL SOLONOID AND INTERSTAGE DUCT REF. AMM 36-11-49. PERFORMED FUNCTIONAL TEST OF BLEED PRF CONTROL SOLONOID PER AMM 36-11-55-720-001-A, TEST GOOD. LEAK TESTED SENSE LINE AND UNION REF. AMM 36-11-49. REPLACED UNION AT INTERSTAGE DUCT PER AMM 36-11-49. UNION AND SENSE LINE LEAK TEST GOOD. PERFORMED TAXI WITH WING ANTI-ICE ON, NO FAULTS OBN ECAM. PERFORMED BITE OF BMC 2, TEST OK. PRV OPERATED NORMALLY FOR DURATION OF ENGINE RUN. A/C OK FOR SERVICE.

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