What was found
SEAT 21DEF OXYGEN MASK COMPARTMENT DID NOT OPEN DURING OPERATIONAL REST. REMOVED OXYGEN BOX AT SEAT 21DEF, REF AMM 35-21-41. READY FOR INSPECTION PART NUMBER VERIFICATION AND CLEARANCE TO INSTALL. PART VERIFICATION AND CLEARANCE NOT REQUIRED FOR INSTALLATION OF PSU REF GMM 09-10-05 COMPLETED INSTALLATION OF SEAT 21DEF OXYGEN BOX, REF AMM35-21-41. DROP TEST PASSED WITH ALL MASKS DROPPING, RELATCHED COVERS, REF AMM 35-23-00. VERIFIED INSTALLATION OF O2 GEN AT SEAT 21DEF REF GMM 09-10-05