As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PREFLIGHT, FOUND OPEN C/B ON PANEL P6-11 "CABIN EMER LIGHTS". GROUNDED - YES. VERIFIED FAULT, OPENED P6-11 ACCOMP GVI OF C/B NO DEFECTS NOTED CLOSED P6-11 & C/B AT A9. ACCOMP OPS TEST OF EMERGENCY LIGHTS TEST PASS REF B737-900 AMM 20-60-01-860-801, 33-51-00-710-801, 33-51-00-710-004 & B737-900 WDM 33-51-11.