SDR NACA2021051800002

Service difficulty report · Fault Message · Boeing 767323

Difficulty date: May 15, 2021
Submitted: May 18, 2021
Operation: Air carrier
Aircraft: N351CM
Make and model: Boeing 767323
Aircraft serial: 25201
Aircraft time: 103,649 hours, 18,044 cycles
Engine: Ge CF680C2B6
Engine time: 73,418 hours, 23,878 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Fault Message
Condition: False Activation
Location: Shutoff Valve
Part time: 278 hours, 127 cycles
Stage of operation: AP
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

DISCREPANCY: R ENGINE HPSOV EICAS MESSAGE ON FINAL, STATUS MESSAGE STILL SHOWING. CORRECTIVE ACTION: DEFERRED PER 36-11-02-02. DEFERRAL CLEAR, TROUBLESHOT PER FIM FAULT TREE 833, REPLACED HPSOV IAW AMM 36-11-02-02 ON LP B048911 M5. ETOP GROUND VERIFIED OP CHECKED GOOD ON LP B048914 M8. ETOPS SIGNIFICANT SYSTEM.