What was found
LEFT ISOLATION VALVE EICAS MESSAGE. NO DUCT PRESSURE INDICATED AND ASSOCIATED L ISLN LIGHT. SWAPPED LEFT AND CENTER ISOLATION VALVES PER AMM 36-11-04 INSTALLATION TEST PASSED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT ISOLATION VALVE EICAS MESSAGE. NO DUCT PRESSURE INDICATED AND ASSOCIATED L ISLN LIGHT. SWAPPED LEFT AND CENTER ISOLATION VALVES PER AMM 36-11-04 INSTALLATION TEST PASSED.