SDR IPXA09655002

Service difficulty report · Shunt · Boeing 76734AF

Difficulty date: March 12, 2009
Submitted: March 13, 2009
Operation: Air carrier
Aircraft: N306UP
Make and model: Boeing 76734AF
Aircraft serial: 27759
System (JASC): 7720 · Engine Temperature Indicating System
Part: Shunt
Condition: Inoperative
Location: Egt
Stage of operation: NR
How discovered: O
Nature of condition: O
Precautionary procedure: A, K

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

What was found

INSPECTION TYPE:ETOP ATB - LT ENG PRI AND STBY EGT INOP. EPER FIM 77-21-00 PIMU BITE SHOWS 352 16A EGT SENSOR AND 352 16B EGT SEN PER PIMU MESS INDEX. REMOVED AND REPLACED SHUNT JUNCTION BOX IAW 77-21-53-4 UP TO OPS CK. SHUNT BOX CKS J131 PIN B TO J3 PIN E OPEN. J131 PIN A TO J4 PIN E OPEN. J131 PIN A & B TO GROUND OPEN ALL OTHER RESIS OK PER FIM PIMU MSG INDEX. COMPLY WITH OPS CHECK GOOD.

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