What was found
WHILE A/C WAS OUT OF SERVICE FOR HEAVY CHECK. R1 EMERGENCY EXIT IDENTIFIER SIGN INOP. EMERGENCY-LIGHT POWER UNIT NR 1 REPLACED AND TESTED SERVICEABLE IAW AMM 33-50-01-400-801-A. A/C REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE A/C WAS OUT OF SERVICE FOR HEAVY CHECK. R1 EMERGENCY EXIT IDENTIFIER SIGN INOP. EMERGENCY-LIGHT POWER UNIT NR 1 REPLACED AND TESTED SERVICEABLE IAW AMM 33-50-01-400-801-A. A/C REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.