Service difficulty report · Eec · Boeing 76736N

Difficulty date
November 5, 2021
Submitted
November 8, 2021
Operation
Air carrier
Aircraft
N1013A
Make and model
Boeing 76736N
Aircraft serial
30110
Engine
Ge CF680C2B7F
Part
Eec
Part number
2121M4P04
Part serial
LMDD9140
Condition
None
Stage of operation
DE
How discovered
V
Nature of condition
O
Precautionary procedure
K, O

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

What was found

WHILE DESCENDING THROUGH FL210 L/H N1 WAS 25% HIGHER THAN R/H N1. L/H N1 & ENG INDICATION WAS HIGHER THAN R/H IND SIGNIFICANTLY(<P><SPAN>PERFORMED L/H ENG PIMU BITE PROCEDURE PER FIM 71-01 FT 810, FOUND FAULT CODES 35220-A, 155/9-A, & 15519-B. INSPECTED PS3 LINE AND FOUND MOISTURE IN LINE AND L/H EEC PER FIM 71-01 TASK A & B, REMOVED AND REPLACED L/H EEC PER B767 AMM 73-2115. PERFORMED TEST NO 11 & 12 PER AMM 77-00-02. BOTH TEST WERE GOOD. OPS CHECK GOOD, NO FURTHER DEFECTS NOTED AT THIS TIME</SPAN></P>)

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