SDR DALA2018080704914

Service difficulty report · Fan · Boeing 757232

Difficulty date: August 7, 2018
Submitted: August 7, 2018
Operation: Air carrier
Aircraft: N6715C
Make and model: Boeing 757232
Aircraft serial: 30486
Aircraft time: 59,907 hours, 21,612 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Fan
Condition: Failed
Location: Cabin Pressure
Stage of operation: NR
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

DIVERTED DUE TO A LOSS OF CABIN PRESSURIZATION, AND DECLARED AN EMERGENCY. FOUND THE RT ENG PMA COKED WITH OIL, REPLACED CARBON SEAL. FOUND LT ENG 450F DEGREE SENSOR DAMAGED AND REPLACED. REMOVED AND REPLACED LEFT FAN AIR NORMAL TEMP SENSOR PER IAW AMM 36-11-17. REMOVED AND REPLACED LEFT FAN AIR VALVE IAW AMM 36-11-16. PERFORMED SINGLE PACK PRESSURIZATION CONFIDENCE CHECK IAW 21-51-00-755-622. PHASES 1 THRU 4 CHECKED GOOD.