As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT AIR RETURNED TO CLT ON ACCOUNT OF RIGHT HAND ENGINE BLEED AIR PROBLEM. AFTER T/O #2 IP BLEED VALVE STAYED CLOSE WHICH RESULTED IN A SINGLE PACK OPERATION. EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED HP VALVE ON #2 ENGING IAW AMM 36-11-51. OPS CHECK GOOD.