Service difficulty report · Wire · Emb EMB145LR

Difficulty date
July 21, 2021
Submitted
July 26, 2021
Operation
Air carrier
Aircraft
N665BC
Make and model
Emb EMB145LR
Aircraft serial
145783
Aircraft time
39,139 hours, 35,533 cycles
Part
Wire
Condition
Chafed
Location
Pump
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

NSPECTED C/P P0259 NO DEFECTS NOTED RAN #2 ENGINE WITH P0259 DISCONNECTED PUMP ALTERNATING STILL EXISTED REGRADLESS OF PUMP SELECTED RECONNECTED P0259 AS REQ'D REMOVED RELAY K0300 RAN #2 ENGINE AGAIN NO PUMP ALTERNATING OR OTHER DEFECTS NOTED WITH ANY PUMP SELECTED WITH #2 ENGINE RUNNING FOUND SHORT TO GROUND AT XK0300 PIN B2 HOWEVER SHORT ONLY OCCURS AT AROUND 90 PERCENT N2 AND ONLY WEHN ACCELERATING ENGINE SLIGHTLY FASTER THAN NORMAL WHICH COINCIDES WITH PUMP ALTERNATING DISCREPANCY CONDITIONS WITH PUMP AL TERNATING DISCREPANCY CONDITIONS SHUT DOWN ENGINE REINSTALLED RELAY K0300 IAW AMM 20-13-02-04 FOUND WIRE W407-0020-20 CHAFED AT 3 O CLOCK POSITION OF #2 ENGINE AFT END JUST BELOW C/P P0819. R&R WIRE AND TERMINATED AT P0819 I/A/W SWPM 20-00-03 TERMINATED WIRE #407-0020-20 AT CONNECTOR P0259 IN REF TO SWPM 20-50-00. R&R'D WIRE #407-0007-20 I/A/W SWPM 20-50-00.ERROR & REINSTALLED C/P P0819, P0259. REINSTALLED C/P 0583. RAN A/C OPS CHECK GOOD OKAY FOR SERVICE @ THIS TIME

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