As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 ENGINE.- DURING ACCOMPLISHMENT OF AD 200-16-51 WAS FOUND RH 5TH STAGE ENGINE BLEED VALVE CORRODED AND STUCKED P/N 3202222-1 AND S/N 2243. "REMOVED AND REPLACED RH 5TH STAGE ENG BLEED AIR CHECK VALVE IAW B737 AMM 36-11-35 PAG 401-408. PERFORMED LEAK CHECK IAW B737 AMM 36-11-35 PAG 407. VERIFIED SATISFACTORY, NO LEAKS NOTED."