As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH ENGINE BLEED SWITCHES ON AND PACK SWITCHES OFF FMC N1 LIMIT PAGE SHOWS 97.1 (1) AND 96.2 (2). GROUNDED - YES. RIGHT PACK FLOW CONTROL AND S/O VALVE INOP. REMOVED AND REPLACED RH PACK FLOW CONTROL & SHUT OFF VALVE IAW B737-900 AMM 21-51-01. OPS TEST AND LEAK CK GOOD. FMC N1 LIMIT PG NOW SHOWS MATCHING VALUES FOR # 1 & 2 ENGINE WITH O.A.T. SET. REF SDS 34-61-00-014.