SDR AALA20170902007

Service difficulty report · Thermocouple · Boeing 767323

Difficulty date: September 2, 2017
Submitted: September 5, 2017
Operation: Air carrier
Aircraft: N399AN
Make and model: Boeing 767323
Aircraft serial: 29606
Aircraft time: 70,561 hours, 11,527 cycles
Engine: Ge CF680C2B6
Engine time: 60,974 hours, 2,280 cycles
System (JASC): 3620 · Pneumatic Indicating System
Part: Thermocouple
Condition: Unsecure
Location: Rt Engine
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

EMERGENCY DECLARED. FLIGHT RETURNED TO DEPARTURE DUE TO A RIGHT ENGINE BLEED DUCT LEAK WARNING INDICATION. OVERWEIGHT LANDING UNEVENTFUL. ACCOMPLISHED LEAK CHECK PER MCM 36-96-02. RESECURED FIRE LOOP THERMOCOUPLES PER SRM 51-30-01. LEAK AND OPERATIONAL CHECK GOOD. AIRCRAFT WAS GROUNDED.