What was found
FLIGHT CREW REPORTS LOUD SQUEAL IN LOWER L-1 DOOR. LOCKED FOR FERRY FLT. UNLOCKED FOR IAH TO CORRECT. FOUND HOLE IN BULB SEAL AT CENTER OF LOWER DOOR. REMOVED BULB AND DIAPHRAGM SEAL REF M/M 52-09-14-000-801. INSTALLED BULB AND DIAPHRAGM SEAL ON LOWER GATE (L1) REF AMM 52-09-14-400-801 UP TO AND INCLUDING STEPS F(3)G(2). INSTALLED DIAPHRAGM SEAL REF M/M 52-09-14-000-801 TO END. REF L/P 3891453 FOR LINER AND OTHER WORK PERFORMED. REF L/P 3891429 FOR SLIDE REMOVED & REPLACED. PERFORMED CABIN LEAKAGE TEST ONLY IAW AMM 05-51-91 CABIN LEAKAGE WITH IN LIMITS.