As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE NR 1 ENGINE STRUT OVERHEAT LIGHT ILLUMINATED. LIGHT EXTINGUISHED WITH REDUCED POWER THEN ILLUMINATED AGAIN WHEN CLIMB POWER WAS SET. ALSO, LIGHT WAS ILLUMINATED WITH ASSOCIATED BLEED AND PACKS OFF. FOUND THE 13TH STAGE REGULATOR VALVE CLAMP LOOSE. TIGHTENED CLAMP AND RAN NR 1 ENGINE, OPERATIONALLY AND LEAK CHECKS GOOD.