As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE PNEUMATIC Y-CHECK VALVE FOUND THRUST REVERSER VALVE BLEED AIR TUBE CRACKED AT ABOUT 2:00 POSITION. REPLACEED THE PNEUMATIC AIR TUBE PER EM71-00-02-005 2.PERFORM ENGINE PNEUMATIC LEAK CHECK PER AMM36-11-00-06-02 AND NO LEAKAGE FOUND.