SDR P5CA2018121200378

Service difficulty report · Duct · Boeing 7673Y0

Difficulty date: December 10, 2018
Submitted: December 12, 2018
Operation: Air carrier
Aircraft: N642GT
Make and model: Boeing 7673Y0
Aircraft serial: 26207
Aircraft time: 79,212 hours, 21,009 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Duct
Condition: Low Pressure
Location: Pnumatic Sys
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

W/ ENGINE ANTI-ICE ON LEFT DUCT PRESSURE DROPS TO 7 PSI AND MOMENTARILY L ENG BLEED OFF EICAS(<DIV>NO FAULT SHOWN IN STATUS PG. BITE CHK IN THE AIR SUPPLY BITE MODULE, NO FAULT IAW AMM 36-23-00-715. ITEM CLOSED, OKAY TO CONTINUE.</DIV>)

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