1222 RI MAIN RUDDER POWER CONTROL UNIT. SERVICE BULLETIN RECOMMENDED COMPUED WITH MOS 13-SEP-1999 28-JAN-I999 - (s) SB 737-27A1228 TRAILING EDGE FLAP AND HORIZONTAL STABILIZER TRIM SYSTEMS (SUPERSEDED BY SB 737-27A1228 R1). SERVICE SUPERSEDED COMPUED WITH BULLETIN MOS 13-SEP-1999 - (s) SB 73

L-27-227 RUDDER FEEL AND CENTERING INSTALLATION - FASTENERS UNDERTOROUED. SERVICE LETTER RECOMMENDED 17-NOV-2010 MOS SL 737-SL-27-228 TRAILING EDGE FLAP BALLSCREWS-IN-SERVICE WEAR. SERVICE LETTER RECOMMENDED 15-NOV-2010 MOS SI. 737-SL-27-229 737NG LEADING EDGE CRUISE DEPRESSURIZATION VALVE N0016

:47 3533:32 4783:32 1030:13 59 863 + 27-225-01 GENERAL VISUAL INSPECTION LEFT WING LEADING EDGE FLAP AND SLAT ACTUATORS AND LEFT WING LEADING EDGE FLAP AND SLAT ACTUATION MECHANISMS MOS 27.680 FIRSOASC 6000 REF: BTC 27-225-01-0I AFL 177.97 08-OCT-1999 3709:19 44 6044 2290:41 884 38 74n