Service difficulty report · Eec · Boeing 76733A

Difficulty date
July 3, 2019
Submitted
July 8, 2019
Operation
Air carrier
Aircraft
N1439A
Make and model
Boeing 76733A
Aircraft serial
28495
Aircraft time
69,793 hours, 16,294 cycles
Part
Eec
Part number
1820M33P14NBSP
Part serial
ECDD712P
Condition
Malfunctioned
Location
Rt Engine
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

NO LIGHT OFF ON RIGHT ENGINE START. SELECTED BOTH, SECOND ATTEMPT SUCCESSFUL. (<P>RT ENGINE IGN. 1(A) INOP, DEFERRED IGN 1(A) PER MEL 74-00-01B CAT 'C'. THIS OPENS DMI # 114171, PLACARD INSTALLED AND MCC NOTIFIED.</P><P>LP 1054226 - M5: T/S PER SRM 74-31-01. INPUT VOLTAGE FROM PINS 8 TO 7 GOOD. SHOT WIRES FROM J1 ON EEC 103.9 TO EXCITER PINS A & B. VOLTAGE CHECK GOOD. NO OUTPUT VOLTAGE. SUSPECT EEC ON RT ENG. P/N: 0748250CN1820M33P14.</P><P>REMOVED RT ENGINE EEC AS PER AMM 73-21-50. OPS CHECKED GOOD AS PER AMM 71-00-00 GROUND TESTS EEC'S<BR DATA-MCE-BOGUS="1" /></P>)

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