Boeing 727-2F9

Service difficulty reports · 219

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  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = '7272F9'
  ORDER BY difficulty_date DESC"

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SDR MZZA99014Sign · malfunctionedTNN - DURING SELF ILLUMINATION SIGN BRIGHTNESS TEST ON AIRCRAFT AT AIR ASIA, RIGHT AFT EMERGENCY EXIT DOOR 'PULL' SIGN BRIGHTNESS MEASUREMENT WAS FOUND BELOW THE SPECIFIED LIMIT. THE 'PULL' SIGN P/N 10-61789-1008 WAS REMOVED AND REPLACED PER B727 MM 33-50-31.Dec 22, 1998 · N75429 · Boeing 7272F9 · Emergency LightingSDR MZZA99013Sign · malfunctionedTNN - DURING SELF ILLUMINATION SIGN BRIGHTNESS TEST ON AIRCRAFT AT AIR ASIA, RIGHT FORWARD EMERGENCY EXIT DOOR 'PULL' SIGN BRIGHTNESS MEASUREMENT WAS FOUND BELOW THE SPECIFIED LIMIT. THE 'PULL' SIGN P/N 10-61789-1008 WAS REMOVED AND REPLACED PER B727 MM 33-50Dec 22, 1998 · N75429 · Boeing 7272F9 · Emergency LightingSDR 99ZZZM181Sign · malfunctionedTNN - DURING SELF ILLUMINATION BRIGHTNESS TEST ON AIRCRAFT AT AIR ASIA, LEFT FORWARD EMERGENCY EXIT DOOR 'EMERGENCY' AND 'PULL' SIGN BRIGHTNESS MEASUREMENT WERE FOUND BELOW THE SPECIFIED LIMIT. THE 'EMERGENCY' SIGN P/N 10-61789-1007 AND 'PULL' SIGN P/N 10-617Dec 22, 1998 · N75429 · Boeing 7272F9 · Emergency LightingSDR MZZA98261Indicator · malfunctionedCTS - FLT 938 - ON TAKEOFF ROLL, NR 3 OIL QTY INDICATOR WENT TO .5 GALLON, ON TAXI BACK TO GATE, INDICATOR RETURNED TO NORMAL. REJECTED TAKEOFF AT 90 KNOTS APPLIED MEL 79-01. TANK VISUAL CHECK WAS FULL ON ARRIVAL OF FLT 937 AND AGAIN ON RETURN TO GATE. REMONov 23, 1998 · N75429 · Boeing 7272F9 · Engine Oil QuantitySDR MZZA98182Web · canningTNN - HNRC: 837848, 837849, 837850 (SEQ NR 01058, 01059, 01060) - DURING S-CHECK INSPECTION ON AIRCRAFT AT AIR ASIA, OIL CANNING WAS FOUND ON AFT AIRSTAIR RT TORQUE BOX VERTICAL WEB AT THE FOLLOWING AREAS: BETWEEN BS 1243 AND BS 1253. BETWEEN BS 1283 AND BS Jun 11, 1998 · N83428 · Boeing 7272F9 · Fuselage Miscellaneous StructureSDR MZZA98181Web · canningTNN - HNRC: 837851, 837852 (SEQ NR 01061, 01062) - DURING S-CHECK INSPECTION ON AIRCRAFT AT AIR ASIA, OIL CANNING WAS FOUND ON AFT AIRSTAIR LT TORQUE BOX VERTICAL WEB AT THE FOLLOWING AREAS: BETWEEN BS 1313 AND BS 1323 AND BETWEEN BS 1223 AND BS 1233. A REIJun 11, 1998 · N83428 · Boeing 7272F9 · Fuselage Miscellaneous StructureSDR MZZA98178Web · canningTNN - HNRC: 837853 (SEQ NR 01063) - DURING S-CHECK INSPECTION ON AIRCRAFT AT AIR ASIA, OIL CANNING WAS FOUND ON AFT AIRSTAIR LT TORQUE BOX HORIZONTAL WEB BETWEEN BS 1323 AND BS 1333. A REINFORCEMENT STIFFENER ANGLE WAS INSTALLED TO THE DAMAGED WEB PER B727 SJun 11, 1998 · N83428 · Boeing 7272F9 · Fuselage Miscellaneous StructureSDR MZZA98183Skin · canningTNN - HNRC: 817317 (SEQ NR 01040) - DURING S-CHECK INSPECTION ON AIRCRAFT AT AIR ASIA, OIL CANNING AND DENT WERE FOUND ON FUSELAGE SKIN AT BS 675, BETWEEN S21R AND S22R. THE DAMAGED SKIN 2.5 INCH BY 5 INCH IN SIZE WAS TRIMMED OUT AND REPAIRED PER B727 SRM 53Jun 10, 1998 · N83428 · Boeing 7272F9 · Fuselage Main, Plate/SkinSDR MZZA98180Stringer · corrodedTNN - HNRC: 817313 (SEQ NR 01036) - DURING S-CHECK INSPECTION ON AIRCRAFT AT AIR ASIA, CORROSION WAS FOUND ON FORWARD CARGO COMPARTMENT STR 28R AT BS 490. THE CORRODED STR S28R FROM BS 480 TO BS 510 WAS TRIMMED OUT AND REPAIRED PER B727 SRM 53-10-3 FIGURE 1Jun 10, 1998 · N83428 · Boeing 7272F9 · Fuselage Main, Longeron/StringerSDR MZZA98179Skin · corrodedTNN - HNRC: 817298 (SEQ NR 01041) - DURING S-CHECK INSPECTION ON AIRCRAFT AT AIR ASIA, CORROSION WAS FOUND ON FORWARD CARGO COMPARTMENT FUSELAGE SKIN INNER SURFACE AT S28R BETWEEN BS 481 AND BS 500. THE CORRODED SKIN 3 INCHES BY 18 INCHES IN SIZE WAS TRIMMEDJun 10, 1998 · N83428 · Boeing 7272F9 · Fuselage Main, Plate/SkinSDR MZZA98133Actuator · leakingGUM - FLT 921 - AFTER DEPARTURE DEPARTURE SPN CREW DECLARED AN EMERGENCY INTO GUM BASE DUE TO LOSS OF 'A' SYSTEM HYDRAULICS. MAINTENANCE FOUND INBOARD FLAP HYDRAULIC ACTUATOR MOTOR LEAKING (LT W/W) ON REMOVAL FOUND 3 SCREWS ON MOTOR ACCESS PANEL MISSING AND OApr 5, 1998 · N83428 · Boeing 7272F9 · Trailing Edge Flap ActuatorSDR MZZA98081Controller · failedGUM - FLT 0975 - L/P 7963825 - AT APPROXIMATELY 25 MINUTES OUT AFTER TAKEOFF, CREW ADVISED CABIN CLIMBING AT 400 FEET PER MINUTE WITH AIRCRAFT AT FL 29.0. UNABLE TO CONTROL PRESSURIZATION AT ALL MODES AUTO/STANDBY/MANUAL. MAINTENANCE TROUBLESHOT SYSTEM AND Feb 10, 1998 · N75429 · Boeing 7272F9 · Cabin Pressure ControllerSDR MZZA98035Fairing · crackedKUL - NR 7 FLAP TRACK MID FAIRING FOUND CRACKED AND DELAMINATED AT FWD EDGE OF O/BOARD SKIN. TYPICAL SRM DOUBLER REPAIR IAW ECRA 5720-01628. (M)Jan 9, 1998 · N75429 · Boeing 7272F9 · Trailing Edge FlapsSDR MZZA98014Floorbeam · corrosionKUL - FLOORBEAM AT STATION 328 AT LBL 30 HAS SURFACE CORROSION. REMOVED CORROSION IAW SRM 51-10-6. FOUND BEYOND LIMIT IAW ECRA 5310-03651. CARRY OUT REPAIR IAW SRM 53-10-8. (M)Jan 2, 1998 · N75429 · Boeing 7272F9 · Fuselage Main, Floor BeamSDR MZZA98023Skin · corrodedKUL - SEVERAL PREVIOUS CORROSION BELNDOUTS ON FUSELAGE SKIN FORWARD OF BS 1166 AND BETWEEN STRINGER 23L AND 25L FOUND BEYOND SRM ALLOWABLE LIMITS. REPAIR CARRIED OUT IAW SRM 53-30-3 FIG 3. (M)Jan 1, 1998 · N75429 · Boeing 7272F9 · Fuselage Main, Plate/SkinSDR MZZA98034Skin · misdrilledKUL - LOWER FORWARD SKIN OF LEFT INBOARD MIDFLAP FOUND WITH MISDRILLED HOLES AT THE FOURTH AND EIGHT HOLES COUNTED FROM OUTBOARD EDGE. DAMAGE AREAS REMOVED AND FILLETS MANUFACTURED AND DOUBLER INSTALLED IAW ECRA 5750-02873. (M)Dec 28, 1997 · N75429 · Boeing 7272F9 · Trailing Edge FlapsSDR MZZA98032Frame · corrodedKUL - FRAME 1110 UPPER CHORD IS PUNCTURED ABOVE STRINGER 27R DUE LONGER SCREW INSTALLED AT TIED DOWN FITTING AFT OUTBOARD POSITION. DOUBLER MANUFACTURED AND INSTALLED IAW SRM 51-40-3 FIG 1. (M)Dec 28, 1997 · N75429 · Boeing 7272F9 · Fuselage Main, FrameSDR MZZA98022Frame · hole elongatedFRAME 1110, RT EDGE SUPPORT PANEL INNER ATTACHMENT HOLE FOUND ELONGATED AT FRAME UPPER CHORD. A DOUBLER REPAIR CARRIEID OUT AS PER SRM 51-40-3. (M)Dec 28, 1997 · N75429 · Boeing 7272F9 · Fuselage Main, FrameSDR MZZA98027Frame · corrodedKUL - FRAME 1166 LOWER CHORD AND WEB IS CORRODED BETWEEN STRINGER 281 AND 28R. BLENDED OUT OF LIMIT IAW SRM 53-10-1, AREA 3 INCH BY 2 INCH BY .018 INCH. REPAIR C/OUT IAW SRM 53-10-4, FIG 12. (M)Dec 27, 1997 · N75429 · Boeing 7272F9 · Fuselage Main, FrameSDR MZZA98016Seat Track · corrosionKUL - CORROSION ALONG SEAT TRACK FROM STATION 344-480, RBL 24. REMOVED CORROSION IAW SRM 51-10-6. FOUND BEYOND LIMIT IAW SRM 53-10-1. CARRY OUT REPAIR IAW SRM 53-10-5. (M)Dec 26, 1997 · N75429 · Boeing 7272F9 · Fuselage, Seat/Cargo Attach FittingsSDR MZZA98006Seat Track · corrosionKUL - CORROSION ALONG SEAT TRACK, RBL 24 AND 45, STATION 1050--1130. CORROSION FOUND OUT OF LIMIT. FABRICATE SEAT TRACK IAW B727 SRM 53-10-5. INSTALLED TRACK. (M)Dec 26, 1997 · N75429 · Boeing 7272F9 · Fuselage, Seat/Cargo Attach FittingsSDR MZZA98030Seat Track · corrodedKUL - BS 415- BS 420 RBL 60 WINDSCREEN TRACK BADLY CORRODED. BLENDED BEYOND LIMIT IAW 53-10-2. TRACK REPLACED IAW SRM 51-30-2. (M)Dec 24, 1997 · N75429 · Boeing 7272F9 · Fuselage, Seat/Cargo Attach FittingsSDR MZZA98024Skin · crackedKUL - NR 2 SLAT ASSY HAS TWO CRACKS AT THERMAL ANTI-ICE DUCT CUTOUT IN AFT LOWER SKIN ATTACH ANGLE AT SLAT STATION 271. CRACKS STOP DRILLED AND DOUBLER INSTALLED IAW ECRA 5750-02875. (M)Dec 24, 1997 · N75429 · Boeing 7272F9 · Leading Edge DevicesSDR MZZA98013Seat Track · corrosionKUL - BS 720D - BS 720C RBL 45.5 SEAT TRACK CENTER AREA FOUND BROKEN. FABRICATED SEAT TRACK IAW B727 SRM 53-10-5 AND INSTALLED IAW B727 SRM 53-10-5. (M)Dec 24, 1997 · N75429 · Boeing 7272F9 · Fuselage, Seat/Cargo Attach FittingsSDR MZZA98010Seat Track · corrosionKUL - BS 380 - BS 440 RBL 45.5 SEAT TRACK FLANGE CORROSION. REMOVED CORROSION IAW SRM 51-10-6. FOUND BEYOND LIMIT IAW SRM 53-10-1. REPLACED SEAT TRACK IAW SRM 53-10-2. (M)Dec 24, 1997 · N75429 · Boeing 7272F9 · Fuselage, Seat/Cargo Attach FittingsSDR MZZA98021Floorbeam · corrodedKUL - FLOORBEAM AT STATION 344 FROM LBL10 TO LBL150 HAS SURFACE CORROSION ON THE HORIZONTAL FLANGE, UPPER AND LOWER SURFACE AT SEVERAL LOCATIONS. CORROSION REMOVED IAW RM 51-10-6, CLEANUP DIMENSION OF .020 INCH BY 3 INCH BY 2 INCH IS FOUND TO BE OUT OF LIMIT Dec 23, 1997 · N75429 · Boeing 7272F9 · Fuselage Main, Floor BeamSDR MZZA98020Bushing · misinstalledKUL - LEFT INBOARD MIDFLAP. INBOARD AFT FLAP DRIVE SYSTEM DRIVE WHEEL HAS SERRATED RUB MARKS ON LOWER SURFACE INDICATING RUBBING ON STRUCTURE. DRIVEWHEEL REMOVED AND FOUND SHIM WASHER LOCATED BETWEEN BEARING AND HOSING MISSING. ALSO, FOUND FWD END OF AFT FLDec 23, 1997 · N75429 · Boeing 7272F9 · Trailing Edge Flap Control SystemSDR MZZA98019Control Rod · corrodedKUL - LEFT WHEEL WELL AREA SPPED BRAKE CONTROL VALVE ROD CONNECTING TO QUADRANT FOUND CORRODED. CORROSION BLENDED OUT IAW ECRA 2760-01157. PENETRANT INSPECT IAW OHM 20-20-02. ALODINE REWORKED AREA IAW OHM 20-43-03. PRIME WITH BMS 10-11 TYPE PRIMER, FINISH Dec 23, 1997 · N75429 · Boeing 7272F9 · Drag Control SystemSDR MZZA98009Support · crackedKUL - FIXED L/E SUPPORT STRUT SITUATED AT WS 175 (AT OUTBOARD END OF NR 3 L/E FLAP ACTUATOR MOUNTING TORQUE BOX) IS CRACKED AT AFT END, THROUGH HI-LOCK HOLES. LEFT WING FIXED L/E SUPPORT STRUT AT NR 3 KRUEGER FLAP ACTUATOR MOUNTING TORQUE BOX, REPLACED IAW SRDec 23, 1997 · N75429 · Boeing 7272F9 · Leading Edge DevicesSDR MZZA98003Seat Track · corrosionSEAT TRACK BETWEEN STATION 950F TO 990 LBL 24.75 HAS NUMEROUS SURFACE CORROSION AT UPPER FLANGE. FOUND CORROSION OUT OF LIMIT. FABRICATE SEAT TRACK AS PER SRM 53-10-05. INSTALLED AS PER SRM 53-10-5. (M)Dec 23, 1997 · N75429 · Boeing 7272F9 · Fuselage, Seat/Cargo Attach FittingsSDR MZZA98002Seat Track · corrosionKUL - FOUND CORROSION AT SEAT TRACK STATION 1050 LBL 24.75. CORROSION FOUND OUT OF LIMITS. FABRICATE SEAT TRACK IAW SRM 53-10-5. INSTALLED IAW SRM 53-10-5. (M)Dec 23, 1997 · N75429 · Boeing 7272F9 · Fuselage, Seat/Cargo Attach FittingsSDR MZZA98001Seat Track · corrosionKUL - SURFACE CORROSION AT SEAT TRACK LBL 24.75, STATION 1070-1110. CORROSION FOUND OUT OF LIMIT. FABRICATE SEAT TRACK IAW SRM 53-10-2. INSTALLED IAW SRM 53-10-02. (M)Dec 23, 1997 · N75429 · Boeing 7272F9 · Fuselage, Seat/Cargo Attach FittingsSDR MZZA98026Frame · corrodedKUL - AFT CARGO FRAME 950C WEB AND CHORD IS CORRODED BETWEEN STRINGER 27R AND 28R. DOUBLER MANUFACTURED AND INSTALLED IAW SRM 53-10-4 FIG 13. (M)Dec 22, 1997 · N75429 · Boeing 7272F9 · Fuselage Main, FrameSDR MZZA98025Fittings · corrodedKUL - LEFT OUTBOARD FOREFLAP, OUTBOARD STABILIZING TRACK FITTING INBOARD LUG AND MIDDLE STABILIZING TRACK FITTING INBOARD LUB CORRODED BEYOND LIMIT IAW SRM 57-40-00. FITTINGS REPLACED IAW SRM 51-30-2, TRACKS REFITTED AND FOREFLAP REFITTED. FUNCTIONAL CHECK SDec 22, 1997 · N75429 · Boeing 7272F9 · Wing, Control Surface Attach FittingsSDR MZZA98018Splice · misinstalledKUL - SIGN OF OVERHEAT ON APU FEEDER CABLE SPLICES (GENERATOR) LOCATED AT LEFT AIRCOND BAY. SPLICES CHANGED AS PER MM 24-00-09. FOUND SPLICES CRIMPED BY INCORRECT CRIMPING TOOL. (M)Dec 22, 1997 · N75429 · Boeing 7272F9 · AC Power Distribution SystemSDR MZZA98017Sill · corrosionKUL - SURFACE AND EXFOLIATION CORROSION ON LEFT CREASE BEAM BETWEEN BS 1070 TO 1090. FOUND CORROSION OUT OF LIMITS. REPLACED SILL BEAM AS PER SRM 51-30-2. (M)Dec 22, 1997 · N75429 · Boeing 7272F9 · Fuselage Miscellaneous StructureSDR MZZA98015Sill · corrosionKUL - LEFT CREASE BEAM BETWEEN STATION 990 TO 1030 HAS NUMEROUS SURFACE CORROSION. FOUND CORROSION OUT OF LIMITS. REPLACED CREASE BEAM AS PER SRM 51-30-2. (M)Dec 22, 1997 · N75429 · Boeing 7272F9 · Fuselage Miscellaneous StructureSDR 98ZZZM289Fittings · corrodedKUL - LEFT OUTBOARD FOREFLAP, OUTBOARD STABILIZING TRACK FITTING INBOARD LUG AND MIDDLE STABILIZING TRACK FITTING INBOARD LUB CORRODED BEYOND LIMIT IAW SRM 57-40-00. FITTINGS REPLACED IAW SRM 51-30-2, TRACKS REFITTED AND FOREFLAP REFITTED. FUNCTIONAL CHECK SDec 22, 1997 · N75429 · Boeing 7272F9 · Wing, Control Surface Attach FittingsSDR MZZA98011Seat Track · corrosionKUL - FOUND CORROSION ON SEAT TRACK BETWEEN STATION 1110-1140 LBL 45.5. CORROSION FOUND OUT OF LIMIT. FABRICATE SEAT TRACK IAW B727 SRM 53-10-2. INSTALLED TRACK PER SRM 53-10-2. (M)Dec 21, 1997 · N75429 · Boeing 7272F9 · Fuselage, Seat/Cargo Attach FittingsSDR MZZA98008Seat Track · corrosionKUL - INBOARD SEAT TRACK AT STATION 1110 TO 1140 FOUND BADLY CORRODED. CORROSION FOUND OUT OF LIMIT. FABRICATE SEAT TRACK IAW B727 SRM 53-10-2. INSTALLED TRACK PER SRM 53-10-2. (M)Dec 21, 1997 · N75429 · Boeing 7272F9 · Fuselage, Seat/Cargo Attach FittingsSDR MZZA98007Plate · corrodedKUL - RIGHT WING FORWARD SPAR LOWER CHORD PLATE EXFOLIATED ON TOP SURFACE UNDER ANCHOR NUT AT FSS 756. CORROSION REMOVED AND FOUND BEYOND LIMIT IAW 57-10-1, AREA 2.5 INCHES BY 1.25 INCHE BY .058 INCH DEEP. HOWEVER, ECRA 5710-01866 ALLOWS BLENDOUT TO BE STRUCDec 21, 1997 · N75429 · Boeing 7272F9 · Wing, Plate/SkinSDR MZZA98005Beam · corrosionDUL - AFT RIGHT LAVATORY LENGTH WISE SUPPORT BEAM, STATION 1130-1172, RBL 27 HAS SURFACE AND EXFOLIATION CORROSION. CORROSION FOUND OUT OF LIMIT. FABRICATE BEAM AS PER DRAWING 65-19606. INSTALLED PER SRM 51-30-2. (M)Dec 21, 1997 · N75429 · Boeing 7272F9 · Fuselage Miscellaneous StructureSDR MZZA98004Beam · corrosionAFT RIGHT LAVATORY SPAN WISE SUPPORT BEAM STATION 1138, RBL 27-47 HAS SURFACE AND EXFOLIATION CORROSION. CORROSION REMOVED AT SUPPORT BEAM IAW SRM 53-10-1, FOUND OUT OF LIMIT. (M)Dec 21, 1997 · N75429 · Boeing 7272F9 · Fuselage Miscellaneous StructureSDR MZZA98029Frame · corrodedKUL - FRAME 990 LOWR CHORD IS CORRODED BETWEEN STRINGER 29R AND 30. BLENDED OUT OF LIMIT IAW SRM 53-10-1, AREA 1 INCH BY 1 INCH BY .028 INCH, REPAIR C/OUT IAW SRM 53-10-4. (M)Dec 20, 1997 · N75429 · Boeing 7272F9 · Fuselage Main, FrameSDR MZZA98033Skin · crackedKUL - RT WING TRAILING EDGE UPPER SKIN AFT OF AFT SPAR CRACKED AT NR 11 SPOILER 3RD HINGE FROM INBOARD END. CRACK HAD BEEN PREVIOUSLY STOP DRILLED BUT CRACK LENGTH HAD PROGRESSED PAST STOP DRILL. DOUBLER REPAIR C/OUT IAW SRM 57-30-04 FIG 10 DETAIL III. ALSODec 18, 1997 · N75429 · Boeing 7272F9 · Wing, Plate/SkinSDR MZZA98031Rivet · shearedKUL - RIGHT OUTBOARD AFT FLAP DOES NOT RETRACT TO A PARALELL POSITION, AS COMPARED TO MIDFLAP TRAILING EDGE, OUTBOARD END HAS EXCESSIVE GAP. UPON INVESTIGATION FOUND OUTBOARD AFT FLAP OUTBOARD DRIVE PUSHROD CONTROLLER RIVET SHEARED. SUB STITUTED WITH A 18 INDec 18, 1997 · N75429 · Boeing 7272F9 · Trailing Edge Flap Control SystemSDR MZZA98028Skin · corrodedKUL - AFT CARGO SKIN FOUND CORRODED AT STATION 1078 AT STRINGER 27R. BLENDED OUT OF LIMIT IAW SRM 57-30-1, REPAIR C/OUT IAW SRM 53-30-3. (M)Dec 17, 1997 · N75429 · Boeing 7272F9 · Fuselage Main, Plate/SkinSDR MZZA98012Frame · corrodedKUL - SURFACE AND EXFOLIATION CORROSION ON SEAL RETAINER AND SKIN BELOW SEAL ON RT FORWARD EMERGENCY DOOR. ITEM REPLACED IAW DRAWING NR 50-7978-113. SECURED IAW SRM 51-30-2. (M)Dec 17, 1997 · N75429 · Boeing 7272F9 · Emergency ExitsSDR MZZA97318Pressure Reg · inoperativeGUM - FLT 0862 - L/P 7957135 - A-SYSTEM HYDRAULIC PRESSURE IS ZERO. CREW COMPLETED A-SYSTEM CHECK LIST/PROCEDURES. MAINTENANCE TROUBLESHOT SYSTEM AND FOUND AIR PRESSURE REGULATOR AT FAULT. REMOVED AND REPLACED A-SYSTEM AIR REGULATOR PER MM 29-11-12. OPS CHOct 18, 1997 · N83428 · Boeing 7272F9 · Hydraulic Pressure Regulator, MainSDR MZZA97265Regulator · inoperativeGUM - FL 862 - DURING FLIGHT 'A' HYDRAULIC SYSTEM INDICATION DROPPED TO ZERO ENGINE DRIVEN HYDRAULIC PUMPS SHUT OFF. MAINTENANCE TROUBLESHOOT SYSTEM AND FOUND AIR PRESSURE REGULATOR INOP. REMOVED AND REPLACED AIR PRESSURE REGULATOR AND RESERVICED SYSTEM. PEOct 18, 1997 · N83428 · Boeing 7272F9 · Hydraulic Pressure Regulator, Main
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