SERVICE BULLETIN INSPECTIONS
BOEING 737
Boeing & Airbus Service Bulletin NDT inspections
SB 737-32-1224, SB 737-32A1314: MLG actuator beam arm (UT)
SB 737-53A1408: FWD galley door cutout, upper corner skin and bear strap (HFEC)
SB 737-53A1414: Rear spar bulkhead side frame fitting fail-safe strap, STA 663.75 (UT)
SB 737-53A1420: FWD galley door cutout bear strap and stub frame (HFEC)
SB 737-57A1277: Outboard midflap carriage spindles (UT)
SB 737-53A1222: Crew cabin B-D sills and C-D post splice fitting (ET / LFEC)
SB 737-53-1309, SB 737-53-1310, SB 737-53-1311, SB 737-53-1312: Fuselage skin at SATCOM antenna installation (LFEC)
AIRBUS A320 FAMILY
SB A320-52-1034, SB A320-52-1086, SB A320-52-1096: Landing gear doors and fittings (ET)
SB A320-53-1021, SB A320-53-1022, SB A320-53-1024: Frames and floor beams FR42 to FR62 (ET)
SB A320-53-1082, SB A320-53-1331, ISB A320-53-1402, ISB A320-53-1403, SB A320-53-1404, SB A320-53-1405, SB A320-53-1406, SB A320-53-1407: Windshield posts and sliding window frame (ET)
SB A320-53-1373, SB A320-53-1374, ISB A320-53-1339, ISB A320-53-1387: FWD passenger door cutout, FR16 and FR20 (ET)
SB A320-53-1383, SB A320-53-1489, ISB A320-53-1244, ISB A320-53-1519, ISB A320-53-1520: Fuselage and FWD pressure bulkhead at FR35 (ET / UT)
ISB A320-53-1522, ISB A320-53-1523: Pressure deck membrane at centre wing box (ET)
SB A320-53-1140, SB A320-53-1325, SB A320-53-1326, ISB A320-53-1135, ISB A320-53-1149, ISB A320-53-1160, ISB A320-53-1195, ISB A320-53-1196, ISB A320-53-1526, ISB A320-53-1527: Keel beam and MLG bay (ET)
SB A320-54-1027: Pylon aft fairing upper spar (UT)
ISB A320-55-1027: Vertical stabiliser fin box bonded areas (UT)
SB A320-57-1082, SB A320-57-1090, ISB A320-57-1277: Centre wing box (ET / UT)
SB A320-57-1129, SB A320-57-1130: Wing box lower panels at RIB1 junction (UT)
ISB A320-57-1088, ISB A320-57-1101, ISB A320-57-1126: Outer wing rear spar, MLG gear rib 5 (UT)
ISB A320-57-1279, ISB A320-57-1280: Outer wing bottom skin buttstrap (ET)
AIRBUS A330
SB A330-53-3014: Floor beam flange at Y1959, FR47 to FR48 (ET)
SB A330-53-3126: Frame foot junction with lateral frame from FR40.3 (ET)
ISB A330-53-3278: Bulk cargo door cut-out lateral frames (UT)
ISB A330-53-3325: Windshield front frame (ET)
ISB A330-55-3009: Horizontal stabiliser leading edge at RIB 0 (ET)
ISB A330-55-3025: Vertical stabiliser fin box bonded areas (UT)
SB A330-57-3085, SB A330-57-3087, SB A340-57-4093, SB A340-57-4095: RIB 6 fuel pipe aperture satellite holes (UT)
AIRBUS A350
NDT inspections per A350 NTM and Line Maintenance procedures
Ultrasonic inspection of composite (CFRP) structures (UT)
Eddy current inspection of metallic fittings and fastener holes (ET / HFEC)
Penetrant inspection (PT)
Service Bulletin inspections on request
CFM56-7B ENGINE
SB CFM56-7B 72-1033: Fan blade dovetail repetitive ultrasonic inspection (UT)
SB CFM56-7B 72-0579: LPT frame assembly, inspection of turbine rear frame (ECI)
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