N12221

Part: CONTROL UNIT — FAULTED (NR 1) · airframe 80,759 hrs · 30,264 cycles

STARTER VALVE OPEN LIGHT ON AT ROTATION. LEFT PACK OFF. 3 ENGINE LIGHTS FLASHED DISCONNECTED CONNECTOR DP1202 AT START VALVE, START VALVE LIGHT STILL ON. DISCONNECTED FIREWALL CONNECTOR D30234 START VALVE STILL ON. REMOVED DEU-1 WITH DEU-2 STILL POWERED START VLV LIGHT STILL ON. REINSTALLED DEU-1. REMOVED DEU-2 WITH DEU-1 STILL POWERED START VLV LIGHT STILL ON. REINSTALLED DEU-2, REF AMM 31-62-21. REF WDM 80-11-11-1 PG1 CHECKED FOR CONTINUITY FROM PIN 38 ON D30234 TO GROUND HAD 2.2 OHMS, SHOULD BE OPEN. WENT TO REMOVE ACAU REF AMM 21-51-02 WHILE TOUCH LH ACAU SHORT ENT AWAY, SUSPECT K20 IN ACAU WIRE NOW SHOWS OPEN. REINSTALLED ACAU AND POWERED UP A/C START VLV NOW SHOWS CLOSED. REMOVED ACAU AND BOTH DEUS AND DID MERGER CHECKS FROM CONNECTOR DP1202 PIN 4TO K12 ON D3973B & D3975B & D458A PIN 5. NO SIGN OF SHORT. REINSTALLED BOTH DEUS REF AMM 31-62-21 & REPLACED LH ACAU REF AMM 21-51-02 DUE TO SUSPECTED BAD K20 RELAY, OPS CHECKS GOOD. ACP ENGINE RUN REF AMM 71-00-00-700-801-F00 START VLV INDICATION NORMAL. A/C OK FOR SERVICE.

Part: OVEN — DIRTY (ZONE 900) · airframe 80,593 hrs · 30,182 cycles

OVEN SMELLS BAD G2 GALLEY OVEN 205 DEBRIEFED CABIN CREW TO DETERMINE SOURCE OF ODOR IAW AMM 05-51-26. CREW REPORTED ODOR FROM OVEN 205 ONLY. SMELLED OF SPOILED FOOD. NO SMOKE ODOR, ONLY SPOILED FOOD. OVEN WAS NOT USED DURING FLIGHT. CABIN CREW COMPLETED QUESTIONNAIRE FORM 46.6020. CLEANED OVEN AT POSITION G2 OVEN 205 IAW AMM 25-34-00, SMELL NO LONGER PRESENT. OPS CHECKED OVEN IAW AMM 25-34-00, OPS CHECK GOOD. ATTACHING QUESTIONNAIRE FORM 46.6020. ADDING PIC.

Part: POWER SUPPLY — INOPERATIVE (ZONE 200) · airframe 80,547 hrs · 30,160 cycles

FOUND L2 EMERGENCY EXIT LIGHT S INOP. REMOVED AND REPLACED POWER SUPPLY (M1673) REF AMM 33-51-06. OPS CHECK GOOD. OK TO CONTINUE.

Part: BATTERY PACK — INOPERATIVE (ZONE 200) · airframe 80,547 hrs · 30,160 cycles

EMERGENCY LIGHTS ROW 22 THRU 27CBA INOP REMOVED AND REPLACED BATTERY PACK (M1670) REF AMM 33-51-06 OPS CHECK GOOD. OK TO CONTINUE. PARTS USED: 99-3351-3-0015,QTY :1

Part: WARNING LIGHT — FALSE ACTIVATION (ZONE 800) · airframe 79,963 hrs · 29,880 cycles

DESCEND THRU 16000 AFT SERVICE DOOR LIGHT CAME ON. HANDLE NOT SE ATED PER FA. INSPECTED DOOR AREA AND FOUND NO OBVIOUS DAMAGE OR FOD. OPERATED DOOR FORM INSIDE PER AMM 52-41-00-860-803 AND FOUND DOOR WARNING INDICATION TO OPERATE NORMAL. DOOR R2 HAS NO RECENT HISTORY. A/C OK TO CONTINUE.

Part: COVER — NO DISCREPANCY (ZONE 800) · airframe 79,694 hrs · 29,752 cycles

REMOVED R1 SLIDE PACK AND COVER REF AMM 25-66-01 RE-INSTALLED R1 SLIDE PACK AND COVER REF. AMM 25-66-01. INCOMPLETE AMM REFERENCE RE-INSTALLED R1 SLIDE PACK AND COVER REF. AMM 25-66-01-400-803. VERRIFIED TECH INSTALLED R1 SLIDE PACK AND COVER REF. AMM 25-66-01-400-803.

Part: RETAINER — LOOSE (GIRT BAR) · airframe 79,513 hrs · 29,678 cycles

GIRT BAR BRACKET 2R LOOSE ADJUSTED DOOR 2R GIRT BAR RETAINER REFERENCE AMM 25-66-01. OPS CHECK GOOD GIRT BAR HOLDS TIGHT.

Part: SLIDE — DISLODGED (ZONE 800) · airframe 79,233 hrs · 29,557 cycles

R2 SLIDE PACK FALLING OUT. STOWED DOOR 2 RIGHT GIRT BAR RETAINING FLAP PER MAINTENANCE BULLETIN AND AMM 25-66-01. DOOR SLIDE ARM CHECKED OK

Part: SLIDE — MISCONFIGURED (ZONE 800) · airframe 79,104 hrs · 29,501 cycles

DOOR 1R SLIDE POSSBLY NOT PACKED CORRECT. RE-POSITIONED SMALL PORTION OF GIRT MATERIAL BACK INTO ITS PROPER LOCATION ON DOOR 1R PER AMM 25-66-01-400-801.

Part: BRACKET — UNKNOWN (ZONE 800) · airframe 79,013 hrs · 29,456 cycles

DOOR 1L SLIDE COVER BRACKET NOT HOLDING TENSION ON GIRT BAR INSPECTED GIRT BAR HOLD BRACKETS. DOOR 1L SLIDE GIRT BAR STOW BRACKETS HOLD GIRT BAR IN PLACE CORRECTLY. OPS CHECK GOOD AT THIS TIME

Part: WEB — CRACKED (ZONE 100) · airframe 78,884 hrs · 29,398 cycles

(SUPPORT TASK) MAIN LANDING GEAR AFT R/H CUTOUT O/B WEB IS CRACK ED. REPAIRED WEB AT MAIN LANDING GEAR AFT R/H CUTOUT O/B IAW B737-800 SRM 51-70-132R-4. HAECO GSO MECH V900535 INSP QC442. TRANSCRIBED FROM HAECO GSO NRC 9289223.

Part: SKIN — GOUGED (ZONE 200) · airframe 78,884 hrs · 29,398 cycles

(B757-53-4-1480) MAIN CABIN INTERNAL SURFACE OF THE FUSELAGE SKIN IS GOUGED AT THE CHEM MILL STEP UNDER THE PENETRATION DOUBLER ON THE AFT SIDE OF STA 727E BETWEEN S2R AND S3R. TRANSCRIBED FROM HAECO GSO NRC 9288543 FABRICATED AND INSTALLED REPAIR ER EC/RA 5360 - 01936 AND HAECO GSO REO - G25356 REV IR. REFERENCE LP''S 3987141 AND 3987152 FOR INSPECTION THRESHOLD AND DTE REQUIREMENTS.

Part: RIB — CRACKED (ZONE 500) · airframe 78,884 hrs · 29,398 cycles

(B737-5700-3-0633) L/H WING TRAILING EDGE, THE TAB ON THE DEFLECTION FITTING HAS A CRACK INDICATION APPROX WS 278.5. ACCOMPLISHED SRM REPAIR OF L/H WING T/E UPPER TAB ON DEFLECTION CONTROL RIB AT WS 278.5 PER B737-800 SRM 57-51-02-2R-3 REPAIR 3.

Part: RIB — CRACKED (ZONE 600) · airframe 78,884 hrs · 29,398 cycles

RIGHT WING T/E DEFECTION CONTROL RIB AFT ATTACH FLANGE IS CRACKED JUST BELOW THE SERRATED PLATE. TRANSCRIBED FROM HAECO GSO NR 9288227 AT R/H WING I/B DEFLECTION CONTROL RIB, REPAIRED AFFECTED AREA IAW BOEING 737-800 SRM 57-51-02-2R-3 AT R/H WING I/E DEFLECTION CONTROL RIB, REPAIRED AFFECTED AREA IAW BOEING B737-800 SRM 57-51-02-2R-3. REMOVED DOT STREAMER.

Part: PRESSURE DECK — DENTED (ZONE 200) · airframe 78,884 hrs · 29,398 cycles

(B737-53-3-0733) FLIGHT DECK FLOOR WEB UPPER SURFACE IS DENTED AND DEFORMED BETWEEN STA 251.6 AND 259.5 BETWEEN LBL15 AND RBL5. TRANSCRIBED FROM HAECO GSO NRC 9288882 INSTALLED REPAIR DOUBLER IAW B737-800 SRM 53-10-51-2R-2. REF HAECO GSO V900519 QC204

Part: WEB — CRACKED (ZONE 200) · airframe 78,884 hrs · 29,398 cycles

SUPPORT TASK- MAIN CABIN WEB AT STA 927-947 RBL 60 CRACKED. REMOVED CRACKED WEB AT STA 927-947 RBL40 PER B737-800 SRM 51-40-02. LOCATED AND DRILLED AND INSTALLED NEW WEB PER BAC DWG 147A8501 ID:0039 REV C.

Part: INTERCOSTAL — CORRODED (ZONE 200) · airframe 78,884 hrs · 29,398 cycles

SUPPORT TASK- MAIN CABIN STA 957 RBL 50 HAS CORROSION ON UPPER SURFACE OF INTERCOSTAL NEAR DRAIN PLUG. TRANSCRIBED FROM HAECO GSO NRC 9288271.

Part: FLOOR SUPPORT — CRACKED (ZONE 200) · airframe 78,884 hrs · 29,398 cycles

MAIN CABIN FLOOR SUPPORT INTERCOSTAL UPPER FLANGE IS CRACKED AT APPROX STA 272, LBL26. REMOVED AND REPLACED INTERCOSTAL IAW B737-800 SRM 51-40-02 AND BAC DWG 141A5214.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 78,884 hrs · 29,398 cycles

(B737-5-3-0712) STA 380-400, STR 26L HAS A BULGE IN THE SKIN. TR ANSCRIBED FROM HAECO GSO NR 9289016. REPAIRED STR 26L FROM STA 370 TO 430 & REPLACED OEM FACTORY SPLICE AT STA 370 PER B737-800 SRM 53-00-03-2R-1 & EC/RA 5330-07440. REPAIRED STR 26L FROM STA 370 TO 430 AND REPLACED OEM FACTORY SPLICE AT STA 370 PER B737-800 SRM 53-00-03-2R-1 AND EC/RA NO. 5330-07440 HAECO GSO REO-G25362 REV IR. SFR: 1038361 REFERENCE LOG PAGES 3788467 AND 3788485 CREATED FOR REPEAT INSPECTIONS

Part: SKIN — CORRODED (ZONE 200) · airframe 78,884 hrs · 29,398 cycles

(B737-53-3-0717) STA 540 BL-0 IN THE MIX BAY, THE SKIN HAS EXFOL IATION AT THE SKIN AND FRAME. TRANSCRIBED FROM HAECO GSO NR 9289 015. REPAIRED FUSELAGE SKIN AT STA 540 BL-0 PER ECRA 5351-03150 AND HAECO GSO REO - G25352 REV IR. REF DIP LOG PAGES 3956169 AND 3956220 FOR INSPECTION THRESHOLDS AND DTE. HAECO GSO MECH V895396 INSP QC444. REF HAECO GSO NRC 9289015.

Part: STRINGER — CORRODED (ZONE 100) · airframe 78,884 hrs · 29,398 cycles

(B737-53-3-0712) STA 380-400, STR 25L HAS A BULGE IN THE SKIN. T RANSCRIBED FROM HAECO GSO NR 9289017. REPAIRED STR 25L FROM STA 258 TO 410 & REPLACED FACTORY PLICE AT STA 370 PER B737-800SRM 53-00-03-2R-1 & EC/RA 5310-08504. HAECO GSO MECH V895396 INSP QC442 REPAIRED STR 25L FROM STA 358 TO 410 AND REPLACED FACTORY SPLICE HAECO GSO MECH V895396 INSP QC444 AT STA 370 PER B737-800 SRM 53-00-3-2R-1 AND EC/RA NO. 5310- 08504 HAECO REO-G25350 REV IR. SFR: 1038363 REFERENCE LOG PAGES 3787621 AND 3787752 CREATED FOR REPEAT INSPECTIONS

Part: FLOORBEAM — CORRODED (ZONE 200) · airframe 78,884 hrs · 29,398 cycles

SUPPORT TASK: MAIN CABIN FLOOR BEAM STA 328 RBL15 HAS CORROSION. TRANSCRIBED FROM HAECO GSO NRC 9288264. REMOVED CORROSION FROM MAIN CABIN FLOOR BEAM STA 328 RBL15 IAW 53-10-51-2R-7. ORIGINAL MATERIAL THICKNESS .125, REMOVED .040, REMAINING .085 FOUND OUT OF LIMITS PER B737-800 SRM 53-10-51. REPAIRED STA 328 FLOORBEAM IAW B737-800 SRM

Part: FLOORBEAM — DAMAGED (ZONE 200) · airframe 78,884 hrs · 29,398 cycles

MAIN CABIN STA 1006 LBL6 HAS A DRILL START ON UPPER SURFACE. CUT OUT DAMAGED AREA AT STA 1006 LBL-6 AND REPAIRED WITH 2EA ANG LES,FILLER AND A STRAP IAW SRM 53-00-51-2R-1.SFR # 1038149.

Part: FLOORBEAM — CORRODED (ZONE 200) · airframe 78,884 hrs · 29,398 cycles

MAIN CABIN STA 987 FLOORBEAM UPPER SURFACE CORRODED AT RBL 16-50. REPAIRED CORRODED FLOORBEAM AT STA 987 FROM RBL 50 TO LBL 50 WITH ANGLES AND STRAPS IAW B737-800 SRM 53-70-51-2R-4.

Part: CREASE BEAM — CORRODED (ZONE 200) · airframe 78,884 hrs · 29,398 cycles

SUPPORT TASK: MAIN CABIN L-1 DOOR CREASE BEAM STA 344 HAS CORROSION. TRANSCRIBED FROM HAECO GSO NRC 9288262. REMOVED AND REPLACED CREASE BEAM P/N 654A0004-1073 P/O 1108011.7 IAW BAC DWG 141A8110 REV.E BLENDED CORROSION IAW B737-800 SRM 5 1-10-02 ORG. 090. REMOVED .018 REMAINING .072 AREA FOUND TO BE O UT OF LIMITS IAW B737-800 SRM 53-10-15-1A-1.

Part: MOUNT — CORRODED (ZONE 200) · airframe 78,884 hrs · 29,398 cycles

SUPPORT TASK: MAIN CABIN STA 947 RBL50 AT MOUNT FITTING HAS CORROSION ON UPPER SURFACE. REMOVED CORROSION PER B737-800 SRM 51-10-02. ORIG THICKNESS REMOVED .040, REMAINING .1400 AND ALLOWED MAT LOSS .027 AND FOUND TO BE OUT OF LIMITS PER B737-800 SRM 53-70-51-2A-1. REPAIRED AREA PER B737-800 SRM 53-70-51-2R-2.

Part: HOSE — LEAKING (HYD SYSTEM) · airframe 76,854 hrs · 28,442 cycles

CREW DIVERTED TO ORD DUE TO LOSE OF "A" SYSTEM HYD FLUID DEBRIEFED PILOT, STATING THAT WHEN HYDRAULIC LEVEL REACHED 20%, FLIGHT CREW PERFORMED EMERGENCY CHECKLIST AND SHUT OF PUMP. RESERVOIR IS CURRENTLY AT 17%. LEAK APPEARS TO BE A BURST LINE IN LH MLG WELL. SEE ATTACHED PHOTOS. UPDATED MH AND GT. FOUND PIN HOLE LEAK IN FLEX LINE TO LEFT MAIN UPLOCK ACTURATOR. REPLACED HOSE REF AMM TASK 20-10-52-400-801. PERFORMED HYDRAULIC POWER SYSTEM ACTIVATION AMM TASK 29-00-00-800-802 FOR SYSTEM A. NO LEAKS NOTED A/C OK TO CONTINUE.

Part: COUNTER — SMOKE (CONTROL COLUMN) · airframe 76,704 hrs · 28,369 cycles

SMOKE CAME FROM NUMBER DIAL ON CAPTS YOKE LASTED A FEW SECONDS D ISSAPATED QUICKLY UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. MAC METER INITIATED FOR WITH VENDOR ID V946822 MAC RELATED WORK ORDER 000000003096659 AND PRTR, PULLED CB C4 ON CAPTAIN'S AUX LIGHT PANEL BELOW CAPTAIN''S RUDDER PEDAL ADJUSTMENT KNOB. AFFECTED LIGHTS ARE BACKGROUND LIGHTING FOR NUMBER DIAL ON CAPTAIN''S YOKE. CAPTAIN'S MAP LIGHT, AND CAPTAIN'S CDS BACKGROUND LIGHTING. MEL 3301A APPLIED. REF WDM 33-11-11. PULLED CB C4 ON CAPTAIN`S AUX LIGHT PANEL BELOW CAPTAIN''S RUDDER PEDAL ADJUSTMENT KNOB. AFFECTED LIGHTS ARE BACKGROUND LIGHTING FOR NUMBER DIAL ON CAPTAIN'S YOKE. CAPTAIN'S MAP LIGHT, AND CAPTAIN'S CDS BACKGROUND LIGHTING. MEL 3301A APPLIED. REF WDM 33-11-11. DEFERRED DIRECTLY BY TOMC REPLACED NUMBER DIAL, ALL LIGHTS FUNCTION NORMAL, NO SMELL OBSERVED.MM27-11-41-02. MM33-11-00-960-803.CONTROL COLUMN MEMORY DEVICE.

Part: LENS — CRACKED (DOOR 1R) · airframe 75,063 hrs · 27,607 cycles

FWD EMERG PLACARD FLT ATTNDT SAYS HAS WRONG PLACARD. R&R EMERGENCY EXIT LIGHT LENS FWD GALLEY REF CONFIG DRAWING 3351DD15945. PARTS USED: 29-3351-3-0070,QTY :1 ACP IDT INSP OF LIGHT LENS INSTALLATION AND OPS CKS OK.

Part: SKIN — MISSING (UNKNOWN) · airframe 74,891 hrs · 27,529 cycles

PDA 1 FOUND 1/2 PANEL 193CL MISSING ON ARRIVAL. THREE PANELS FOUND MISSING. RT SIDE SHOWN FOR COMPARISON CORRECTION: LANDING GEAR PANELS ADDRESSED ON CDL WRITEUP LP 4370202. REMOVED REMAINING UPPER HALF OF PANEL(PICTURED NEXT TO INSTALLED NUTPLATES WERE INSTALLED TO CORRECT ISSUE. NO ASSOCIATED DAMAGE NEW ONE), LOCATED AFT HOLES AND INSTALLED NEW PANEL. FOUR NOTED. NUTPLATES WERE MISSING OR COMPROMISED AT BOTTOM OF PANEL WHICH MAY HAVE CONTRIBUTED TO IT LOOSENING UP. DOUBLE FLOATING

Part: BATTERY PACK — NONE (26DEF OVHD BIN) · airframe 70,160 hrs · 25,481 cycles

EMERGENCY LIGHT ON OVERHEAD BIN AT 26DEF INOP. REMOVED AND REPLACED BATTERY PACK AT M1671 IAW B737NG AMM V903976. 33-51-6, OPS CHECK GOOD. SSFR REPORT, FORM 46-0024, ENTERED BY UAL INSPECTION U354653, 09/29/2021, DATA WAS TRANSCRIBED FROM NSA EMX N/R 00147, WORK ACCOMPLISHED BY V895876, INSPECTED BY

Part: BATTERY PACK — NONE (OVERHEAD BIN AT) · airframe 70,160 hrs · 25,481 cycles

EMERGENCY LIGHT ON OVERHEAD BIN AT 1AB INOP. REMOVED AND REPLACED BATTERY PACK AT M1675 IAW B737NG AMM 33-51-06, OPS CHECK GOOD. SSFR REPORT, FORM 46-0024, ENTERED BY UAL INSPECTION U354653 09/29/2021. DATA WAS TRANSCRIBED FROM NSA EMX N/R 00146, WORK ACCOMPLISHED BY V895876, AND INSPECTED BY V903976.

Part: FITTING — CRACKED (STA540RBL15.04) · airframe 70,160 hrs · 25,481 cycles

B737-57-4-1262 SHEAR FITTING AT STATION 540 AND 15.04 IS CRACKED REMOVED AND REPLACED CRACKED SHEAR FITTING AT STATION 540 AND RB L 15.04 IAW B737-800 SRM 51-40-02 AND BAC DWG 111A2000 REV ORIGI NAL SEE NSA EMXX N/R 00105 AND HANGER N/R 5867175 FOR WORK ACCOM PLISHED CIR C/W DATA WAS TRANSCRIBED FROM NSA EMX N/R 00105 AND WORK ACCOMPLISHED BY V905004 AND INSPECTED BY V903976. SSFR REPORT, FORM 46-0024, ENTERED BY UAL INSPECTION V842476 9/21/21

Part: FITTING — CRACKED (STA540LBL32.40) · airframe 70,160 hrs · 25,481 cycles

B737-57-4-1262 SHEAR FITTING AT STATION 540 AND LBL 32.40 IS CRACKED REMOVED AND REPLACED SHEAR FITTING AT STATION 540 AND LBL 32.40 IAW 737-800 SRM 51-40-02 AND BAC DWG 111A2000 REV ORIGINAL SEE N SA EMX N/R 00102 AND HANGER N/R 5867172 FOR WORK ACCOMPLISHED CI R C/W DATA WAS TRANSCRIBED FROM NSA EMX N/R 00102 AND WORK ACCOM PLISHED BY V905004 AND INSPECTED BY V903976. SSFR REPORT, FORM 46-0024, ENTERED BY UAL INSPECTION V842476 9/20/21

Part: FITTING — CRACKED (STA540RBL32.40) · airframe 70,160 hrs · 25,481 cycles

B737-57-4-1262 - SHEAR FITTING AT STATION 540 AND RBL 32.40 IS CRACKED. REMOVE AND REPLACED SHEAR FITTING AT STATION 540 AND RBL 32.40 I AW B737-800 SRM 51-40-02 AND BAC DWG 111A2000 REV ORIGINAL SEE N SA EMX N/R 00106 AND HANGER N/R 5867176 FOR WORK ACCOMPLISHED CI R C/W DATA WAS TRANSCRIBED FROM NSA EMX N/R 00106 AND WORK ACCOM PLISHED BY V905004 AND INSPECTED BY V903976. SSFR REPORT, FORM 46-0024, ENTERED BY V842476 9/21/21

Part: FITTING — CRACKED (STA540RBL6.14) · airframe 70,160 hrs · 25,481 cycles

B737-57-4-1262 SHEAR FITTING AT STATION 540 AND RBL 6.14 IS CRACKED REMOVED AND REPLACED SHEAR FITTING AT STATION 540 AND RBL 6.14 I AW B737-800 SRM 51-40-02 AND BAC DWG 111A2000 REV ORIGINAL SEE N SA EMX N/R 00104 AND HANGER N/R 5867174 FOR WORK ACCOMPLISHED CI R C/W DATA WAS TRASCRIBED FROM NSA EMX N/R 00104 AND WORK ACCOMP LISHED BY V905004 AND INSPECTED BY V903976. SSFR REPORT, FORM 46-0024, ENTERED BY UAL INSPECTION V842476 9/21/21

Part: FITTING — CRACKED (STA540LBL40.87) · airframe 70,160 hrs · 25,481 cycles

B737-57-4-1262 SHEAR FITTING AT STATION 540 AND LBL 40.87 IS CRACKED REMOVED AND REPLACED CRACKED SHEAR FITTING AT STATION 540 AND LB L 40.87 IAW B737-800 SRM 51-40-02 AND BAC DWG 111A2000 REV ORIGI NAL SEE NSA EMX N/R 00103 AND HAGER N/R 5867173 FOR WORK ACCOMPL ISHED CIR C/W DATA WAS TRANSCRIBED FROM NSA EMX N/R 00103 AND WO RK ACCOMPLISHED BY V905004 AND INSPECTED BY V903976. SSFR REPORT FORM 46-0024, ENTERED BY UAL INSPECTION V 842476 9/21/21

Part: FITTING — CRACKED (STA540RBL54.60) · airframe 70,160 hrs · 25,481 cycles

B737-57-4-1262 SHEAR FITTING AT STATION 540 AND RBL 54.60 IS CRACKED. REMOVED AND REPLACED SHEAR FITTING AT STATION 540 AND RBL 54.60 IAW B737-800 SRM AND BAC DWG 111A2000 REV ORIGINAL SEE NSA EMX N /R 00107 AND HANGER N/R 5867177 FOR WORK ACCOMPLISHED CIR C/W DA TA WAS TRANSCRIBED FROM NSA EMX N/R 00107 AND WORK ACCOMPLISHED BY V905004 AND INSPECTED BY V903976. SSFR REPORT, FORM 46-0024 ENTERED BY UAL INSPECTION V842476 9/20/21.

Part: FITTING — CRACKED (STA540LBL15.04) · airframe 70,160 hrs · 25,481 cycles

B737-57-4-1262 SHEAR FITTING AT STATION 540 AND LBL 15.04 IS CRACKED. REMOVED AND REPLACED SHEAR FITTING AT STATION 540 AND LBL 15.04 IAW B737-800 SRM 51-40-02 AND BAC DWG 111A2000 REV ORIGINAL SEE NSA EMX N/R 00101 AND HANGER N/R 5867171 FOR WORK ACCOMPLISHED C IR C/W DATA WAS TRANSCRIBED FROM NSA EMX N/R 00101 AND WORK ACCO MPLISHED BY V905004 AND INSPECTED BY V903976. SSFR REPORT FORM 46-0024, ENTERED BY UAL INSPECTION V842476, 9/20/21.

Part: FITTING — CRACKED (STA540LBL6.14) · airframe 70,160 hrs · 25,481 cycles

B737-57-4-1262 SHEAR FITTING AT STATION 540 AND LBL 6.14 IS CRACKED REMOVED AND REPLACED SHEAR FITTING AT STATION 540 AND LBL 6.14 I AW B737-800 SRM 51-40-02 AND BAC DWG 111A2000 REV ORIGINAL SEE N SA EMX N/R 00100 AND HANGER N/R 5867170 FOR WORK ACCOMPLISHED CI R C/W DATA WAS TRANSCRIBED FROM NSA EMX N/R 00100 AND WORK ACCOM PLISHED BY V905004 AND INSPECTED BY V903976. SSFR REPORT, FORM 46-0024, ENTERED BY UAL INSPECTION V842476, DATE 9/20/2021

Part: ADIRU — FAILED (E/E BAY) · airframe 62,841 hrs · 22,658 cycles

LEFT IRS INOPERATIVE, NO LIGHTS, NO LAT OR LONG, NO GS, IRS BOTH ON RIGHT RESTORES IAW FIM 34-21-00-801-803, REMOVE AND REPLACED LEFT ADIRU IAW 34-21-01-400-801. OPS CHECKED NORMAL. PERFORMED A LAND VERIFY. ALL TESTS PASSED. SATISFACTORY FOR FLIGHT.

Part: LENS — DEFECTIVE (CABIN) · airframe 61,212 hrs · 22,023 cycles

EMERGENCY FLOOR PROXIMITY LIGHT DOES NOT TURN ON 28C. REPLACED LENS OPS CHECKS GOOD.

Part: WINDOW FRAME — CRACKED (R1 WINDOW) · airframe 60,518 hrs · 21,764 cycles

R1 WINDOW FRAME UPPER OTBD CORNER SHOWS EVIDENCE OF A CRACK, EXTENDING TO THE R2 WINDOW. REPAIRED THE WINDOW FRAME IAW EC/RA5311-01887.

Part: STRINGER — CORRODED (BS 373) · airframe 59,949 hrs · 21,526 cycles

PULLED RIVET ON RIGHT SIDE OF AIRCRAFT 13 RIVETS AFT OF PRODUCTION JOINT - INGESTION WARNING DECAL- BELOW WATER LINE.WILL MARK WI TH TAPE AND MARKER. BULGING SKIN WITH RIVET POPPING IS LOCATED AT APPROX STA 373 ON STRINGER 25R. SECTION 43. HOLE EDGES CAUSING BULDGING. WAITING FOR DEFUELING AND A/C TO B REMOVED STRINGER FASTENER, EVIDENCE OF CORROSION WHEN LOOKING AT REMOVED TO GAIN ACCESS TO AFFECTED AREA. E BROUGHT IN. NEED EQUIPMENT COOLING FANS REMOVED AND INSULATION FOUND STRINGER 25R CORRODED AT FASTENER LOCATION ON INSIDE, REMOVED CORRODED SKIN,STRINGER SECTION,PRODUCTION STRINGER SPLICE ON STRINGER 25R BETWEEN STA 360-380. INSTALLED NEW STRINGER SE CTION,SPLICES AND DOUBLER AND FILLER IAW SRM 53-00-01 RPR#1

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 59,798 hrs · 21,449 cycles

EMERGENCY LIGHTS AT BAG BIN AREA ROW 21,23,25,28 INOP. REMOVED AND REPLACED BATTERY PACK AT LOCATION M1671. OPS CHECK GOOD REF AMM 335106 VERIFIED BATTERY PACK REPLACED AND EMERGENCY PATH LIGHTING OPERATIONAL CHECK REF AMM 33-51-06.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 59,373 hrs · 21,289 cycles

RIGHT AFT OVERWING EMERGENCY EXIT INTERIOR FORWARD EMERGENCY LIGHT INOPERATIVE. REPLACED THE LAMPS, OPS CHECKED OK

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 59,373 hrs · 21,289 cycles

R1 DOOR EXTERIOR EMERGENCY EXIT LIGHT INOPERATIVE. REPLACED THE LAMPS, OPS CHECKED OK.

Part: SLIDE — DAMAGED (L2 DOOR) · airframe 59,248 hrs · 21,240 cycles

L2 DOOR PIN IS STICKING OUT OF THE FLAP THAT CONNECTS TO GIRT BAR . REPLACED THE SLIDE IAW MM 25-66-01-400-801.

Part: WARNING MESSAGE — FALSE ACTIVATION (FUEL SYSTEM) · airframe 58,583 hrs · 20,956 cycles

WITH RIGHT CENTER BOOST PUMP ON, RECEIVED A FUEL IMBALANCE ON NR 1 INDICATOR. CROSSFEED WAS CLOSED. EMERGENCY DECLARED. ACCOMPLISHED FIM TASK 28-21-00-810-815. NO FUEL TRANSFER NOTED, CROSSFEED VALVE AND BOOST PUMPS OP CHECKED GOOD.

Part: CHARGER — INOPERATIVE (CABIN) · airframe 57,774 hrs · 20,658 cycles

RT AFT OVERWING EXIT EMERGENCY LIGHT IS INOP. FWD RT DOOR ALSO GOES OUT AFTER 1 MIN OF BEING ON REPLACED M1694 BATTERY CHARGER & BATTERY REF AMM 33-51-06. OPS CK GOOD REF AMM 33-51-00

Part: CHARGER — INOPERATIVE (CABIN) · airframe 57,774 hrs · 20,658 cycles

LEFT EMERGENCY EXIT OVERWING LIGHTS INOP INSIDE AND OUT REPLACED M1694 BATTERY CHARGER & BATTERY REF AMM 33-21-06. OPS CHECKED GOOD REF AMM 33-51-00

Part: SLIDE — UNSERVICEABLE (L1 DOOR) · airframe 57,566 hrs · 20,573 cycles

DOOR 1L GIRT NOT FITTING PROPERLY. REPLACED LT NR 1 DOOR SLIDE REF 25-66-01=401.

Part: BATTERY PACK — DEFECTIVE (CABIN) · airframe 57,198 hrs · 20,423 cycles

EMERGENCY LIGHT BATTERY PACK M1674 AT STA 322 WILL NOT HOLD CHARGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1674 AT STA 322 IN ACCORDANCE WITH AMM 33-51-06-900-805, OPS CHECK OF BATTERY PACK GOOD IN ACCORDANCE WITH AMM 33-51-06-960 -805.

Part: BATTERY PACK — DEFECTIVE (CABIN) · airframe 57,198 hrs · 20,423 cycles

EMERGENCY BATTERY PACK M1694 WILL NOT HOLD CHARGE AT STA 565. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1694 AT STA 565 IN ACCORDANCE WITH AMM 33-51-06-960-805. OPS CHECK OF BATTERY PACK GOOD IN ACCORDANCE WITH AMM 33-51-06-960- 805.

Part: BATTERY PACK — DEFECTIVE (CABIN) · airframe 57,198 hrs · 20,423 cycles

EMERGENCY BATTERY PACK M1672 AT STA 952 WILL NOT HOLD A CHARGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK IN ACCORDANCE WITH AMM 33-51-06-960-805. OPS CHECK OF BATTERY PACK M1 672 AT STA 952 GOOD IN ACCORDANCE WITH AMM 33-51-06-960- 805.

Part: BATTERY PACK — DEFECTIVE (CABIN) · airframe 57,198 hrs · 20,423 cycles

EMERGENCY BATTERY PACK M1676 AT STA 500C+7 WILL NOT HOLD A CHARGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1676 AT STA 500C+7 IN ACCORDANCE WITH AMM 33-51-06-960-805. OPS CHECK OF BATTERY PACK GOOD IN ACCORDANCE WITH AMM 33-51-06-9 60-805.

Part: BATTERY PACK — DEFECTIVE (CABIN) · airframe 57,198 hrs · 20,423 cycles

EMERGENCY BATTERY PACK M1673 AT STA 952 WILL NOT HOLD CHARGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1673 AT STA 952 IN ACCORDANCE WITH AMM 33-51-06-960-805. OPS CHECK OF BATTERY PACK GOOD IN ACCORDANCE WITH AMM 33-51-06-960- 805.

Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 57,198 hrs · 20,423 cycles

RT EXTERIOR EMERGENCY LIGHT AFT OF RIGHT WING INOP. REMOVED AND REPLACED RT EXTERIOR EMERGENCY LAMP AFT OF RIGHT WING IN ACCORDANCE WITH AMM 33-51-04-960-801. OPS CHECK NORMAL.

Part: ANGLE — CORRODED (THRESHOLD) · airframe 57,198 hrs · 20,423 cycles

CABIN R2 DOOR LOWER THRESHOLD SUPPORT FRAME HAS CORROSION ON UPPER SURFACE AT SEVERAL LOCATIONS. MAIN SILL CHORD REPLACED IAW DWG 147A8501 REV C AND SRM 51-40-02, AND ECRA 5310-06962. REMOVED CORR. AT R2 DOOR LWR SILL INNER CHORD, ORIG. THICKNESS IS .080 MATERIAL REMOVED IS .040 MATERIAL REMAINING IS .040 FOU ND TO BE OUT LIMITS IAW SRM 57-70-15 AND SRM 57-70-11, L OC. DRILLED AND INSTALLED THE INNER CHORD IAW DWG 147A85 01 REV C AND SRM 51-40-02.

Part: SEAT TRACK — CRACKED (FUSELAGE) · airframe 54,032 hrs · 19,251 cycles

PERFORMED HFEC NDT PART 6 51-00-00 PROCEDURE 16 ON SEAT TRACK FLANGE FASTENER HOLES AT RBL 45.50, FOUND ALL FOUR HOLES CRACKED. REPAIRED SEAT TRACK AT RBL 45.50 IAW ECRA 5320-02596.

Part: SEAT TRACK — CRACKED (FUSELAGE) · airframe 54,032 hrs · 19,251 cycles

PERFORMED HFEC NDT PART 6 51-00-00 PROCEDURE 16 ON SEAT TRACK FLANGE FASTENER HOLES AT LBL 45.50. FOUND ALL HOLES CRACKED REPAIRED SEAT TRACK FLANGE IAW ECRA 5320-02596.

Part: SEAT TRACK — CRACKED (FUSELAGE) · airframe 54,032 hrs · 19,251 cycles

PERFORMED HFEC NDT PART 6 51-00-00 PROCEDURE 16 ON SEAT TRACK FLANGE FASTENER HOLES AT LBL 24.75, FOUND NR 1 & 2 HOLES CRACKED. REPAIRED SEAT TRACK FLANGE AT LBL 24.75 IAW ECRA 5320-02596.

Part: SEAT TRACK — CRACKED (FUSELAGE) · airframe 54,032 hrs · 19,251 cycles

PERFORMED HFEC NDT PART 6 51-00-00 PROCEDURE 16 AT RBL 24.75, FOUND 1 & 2 HOLES CRACKED. REPAIRED SEAT TRACK AT RBL 24.75 IAW ECRA 5320-02596.

Part: TRIM MOTOR — MALFUNCTIONED (STABILIZER) · airframe 53,146 hrs · 18,914 cycles

IAW TOMC ACFT DIVERTED DUE TO NO STAB TRIM A OR B. SYSTEMS OPERATIONS CHECKED NORMAL AS PRECAUTIONARY. R & R STAB TRIM MOTOR IAW AMM 27-41-71-000-801-400-801. COMPLIED WITH STAB TRIM LIMIT SWITCHES TEST IAW AMM27-41-00-700-805. OPERATIONS CHECKED GOOD. PERFORMED LAND VERIFY TEST IAW 2 1-11-00-201, TEST PASSED & ACFT IS FULLY CAT CAPABLE.

Part: SLIDE — UNWANTED DEPLOY (L2 DOOR) · airframe 51,306 hrs · 18,257 cycles

L2 SLIDE ACCIDENTAL DEPLOYMENT DURING MX. R & R L2 SLIDE IAW AMM 25-66-01. ROTABLE PARTS CHANGE WAS INDICATED TT 1675837 SN OFF 03222 SLIDE, OFF 29-2561-9-0004 3222 ON 29-2561-9-0004 3373.

Part: FRAME — CRACKED (BS 500) · airframe 46,361 hrs · 16,480 cycles

FRAME BS 500A BETWEEN S8-9R CRACKED AT INBD FASTENER OF AIR CONDITIONING OUTLET EXTRUSION. BRACKET CRACK NOTED DURING VISUAL AND MFEC INSP REF EA 5310-04716 REV E AND NDT 6-53-30-00, PROCEDURE 7, REPAIRED IAW ECRA 5310-05747.

Part: FRAME — CRACKED (BS 400) · airframe 46,361 hrs · 16,480 cycles

FRAME BS 400 BETWEEN S8-9R CRACKED AT INBD FASTENER OF AIR CONDITIONING OUTLET EXTRUSION BRACKET. CRACK NOTED DURING VISUAL AND MFEC INSP, REF EA 5310-04716 REV E AND NDT 6-53-30-00. PROCEDURE 7, REPAIRED IAW ECRA 5310-05747.

Part: FRAME — CRACKED (BS 380) · airframe 46,361 hrs · 16,480 cycles

FRAME AT BS 380 BETWEEN STR 8 - 9 R CRACKED AT INBD FASTENER OF AIR CONDITIONING OUTLET EXTRUSION BRACKET. CRACKED NOTED DURING VISUAL AND MFEC REF EA 5310-04716, REV E AND NDT 6-53-30- 00 PROCEDURE 7 . REPAIRED IAW ECRA 5310-05747.

Part: FRAME — CRACKED (BS 400) · airframe 46,361 hrs · 16,480 cycles

FRAME BS 400, BETWEEN S8-9L CRACKED AT INBD FASTENER OF AIR CONDITIONING OUTLET BRACKET CRACK NOTED DURING VISUAL AND MFEC REF EA 5310-04716, REV E AND NDT 6-53-30-00, PROCEDURE 7. REPAIRED IAW ECRA 5310-05747.

Part: FRAME — CRACKED (BS 480) · airframe 46,361 hrs · 16,480 cycles

FRAME BS 480 BETWEEN S8-9R CRACKED AT INBD FASTENER OF AIR CONDITIONING OUTLET EXTRUSION BRACKET. CRACK NOTED DURING VISUAL AND MFEC INSP REF EA 5310-04716 REV E AND NDT 6-53-30-00 PROCEDURE 7, REPAIRED IAW ECRA 5310-05747.

Part: FLOORBEAM — CORRODED (BS 328) · airframe 46,361 hrs · 16,480 cycles

FLOORBEAM AT BS 328, RBL 30 CORRODED. REPAIRED IAW SRM 53-00-51, REPAIR 1, TABLE 202 AND EC/RA 5321-01844.

Part: FLOORBEAM — CORRODED (STA 986) · airframe 46,361 hrs · 16,480 cycles

STA 986.5, LBL 43, GRIT BAR NUTPLATE HOLE CORRODED, PREVIOUSLY BLENDED REPAIRED AREA. COMPLETED REPAIR AT STA.986.5, LBL 43 GIRT BAR NUTPLATE HOLE IAW EC/RA 5321-01429. REPAIR B.

Part: FRAME — CRACKED (BS 500C) · airframe 46,361 hrs · 16,480 cycles

FRAME AT BS 500C BETWEEN STRINGER 8 AND 9R IS CRACKED AT INBD FASTENER OF AIR CONDITIONING OUTLET EXTRUSION BRACKET. CRACK NOTED DURING VISUAL AND MFEC INSP REF EA 5310-04716, REV E AND NDT 6-53-30-00-PROCEDURE 7 REPAIRED IAW EA 5310-04716, REV E.

Part: FRAME — CRACKED (BS 440) · airframe 46,361 hrs · 16,480 cycles

FRAME AT STA 440 BETWEEN STRINGER 8 AND 9R IS CRACKED AT INBD FASTENER OF AIR CONDITIONING OUTLET EXTRUSION BRACKET CRACKED. NOTED DURING VISUAL AND MFEC INSP REF EA 5310-04716, REV E AND NDT 6-53-30-00, PROCEDURE 7. REPAIRED IAW EA 5310-04716, REV E.

Part: TRANSMITTER — INOPERATIVE (LE FLAP) · airframe 43,018 hrs · 15,330 cycles

L/E FLAPS TRANSIT ILLUMINATED AS FLAPS WHERE EXTENDED TO 1 DEGREE STOPPED PRIOR TO 1 DEGREE. FOLLOWED QRH PROCEDURES AND DECLARED EMERGENCY. T/S PER FIM 27-51-00-810-820 MAINTENANCE MESSAGE TO REPLACED RT FLAP POSITION TRANSMITTER, DONE PER AMM 27-58-01-000-801. FLAPS OPERATED NORMAL, ALL FAULTS CLEARED A/C OK TO CONTINUE. FAULT DATA FAULT CODE 1: 27-52260 FAULT COMMENTS : RT FLAP POSITION TRANSMITTER ROTABLE PARTS CHANGE WAS INDICATED - TT # 1467290 S/N OFF 00411 TRANSMITTER, FL OFF 29-2759-9-0001 0411 ON 29-2759-9-0001 2407

Part: LATCH — FAILED (COCKPIT DOOR) · airframe 42,783 hrs · 15,255 cycles

COCKPIT DOOR KNOB WHEN TURNED (INSIDE COCKPIT) DOES NOT UNLOCK AND OPEN COCKPIT DOOR. MUST PUSH UNLOCK BUTTON ON CONTROL STAND TO UNLOCK COCKPIT DOOR. REPLACED FLT DECK DOOR LATCH ASSY REF CMM 52-51-02. OP CKS OK.

Part: TRIM MOTOR — FAILED (STABILIZER) · airframe 40,236 hrs · 14,291 cycles

AFTER T/O AIRCRAFT TRIMMED NOSE DOWN ON ITS OWN TRIMMED NOSE UP STOPPED IT BUT THEN CONTINUED NOSE DOWN OVERHEAD SPEED TRIM LIGHT ILLUMINATED TURNED OFF MAIN ELEC SWITCH THEN AUTOPILOT TRIM SWITCH TRIMMING ONLY STOPPED VALL OTAT BREAKES IN R/S PER FIM 27-41-00-810-811 AND FOUND STABILIZER TRIM MOTOR TO BE AT FAULTS. REMOVED & REPLACED STAB TRIM MOTOR PER MM 27-41- 71 ALL TEST NORMAL. A/C OK TO CONTINUE. IDT ROTABLE PARTS CHANGE WAS INDICATED - TT # 1451077 S/N OFF 00482 MOTOR, STAB, HO OFF 29-2741-9-0008 0482 ON 29-2741-9-0008 3291.

Part: BATTERY PACK — FAILED (EMERGENCY LIGHT) · airframe 38,633 hrs · 13,676 cycles

EMERGENCY LIGHT BATTERY PACK M1694 FAILED CAPACITY CK. R & R M1694 BATTERY PACK IAW AMM 33-51-06. OPS CK OK.

Part: BATTERY PACK — FAILED (CABIN) · airframe 38,633 hrs · 13,676 cycles

EMERGENCY LIGHT BATTERY PACK M1670 FAILED CAPACITY CHECK. REMOVED AND REPLACED M1670 BATTERY PACK PER AMM 33-51-06. OPS CHECK OK.

Part: BATTERY PACK — FAILED (CABIN) · airframe 38,633 hrs · 13,676 cycles

EMERGENCY LIGHT BATTERY PACK M1674 FWD RIGHT FAILED CAPACITY CHECK. REMOVED AND REPLACED M1674 BATTERY PACK PER AMM 33-51-06. OPS CHECK OK.

Part: BATTERY PACK — FAILED (CABIN) · airframe 38,633 hrs · 13,676 cycles

EMERGENCY LIGHT BATTERY PACK M1671 FAILED CAPACITY CHECK. REMOVED AND REPLACED M1671 BATTERY PACK PER AMM 33-51-06. OPS CHECK OK.

Part: BATTERY PACK — FAILED (CABIN) · airframe 38,633 hrs · 13,676 cycles

EMERGENCY LIGHT BATTERY PACK M1673 FAILED CAPACITY CHECK. REMOVED AND REPLACED M1673 BATTERY PACK PER AMM 33-51-06. OPS CHECK OK.

Part: BATTERY PACK — FAILED (CABIN) · airframe 38,633 hrs · 13,676 cycles

EMERGENCY LIGHT BATTERY PACK M1676 FAILED CAPACITY CHECK. REMOVED AND REPLACED M1676 BATTERY PACK PER AMM 33-51-06. OPS CHECK OK.

Part: BATTERY PACK — FAILED (CABIN) · airframe 38,633 hrs · 13,676 cycles

EMERGENCY LIGHT BATTERY PACK M1672 FAILED CAPACITY CHECK. REMOVED AND REPLACED M1672 BATTERY PACK PER AMM 33-51-06. OPS CHECK OK.

Part: BATTERY PACK — FAILED (CABIN) · airframe 38,633 hrs · 13,676 cycles

EMERGENCY LIGHT BATT PACK M1675 FWD LT FAILED CAPACITY CHECK. REMOVED AND REPLACED M1675 BATT PACK PER AMM 33-51-06. OPS CHECK OK.

Part: BATTERY PACK — FAILED (CABIN) · airframe 38,633 hrs · 13,676 cycles

EMERGENCY LIGHT BATTERY PACK M1695 FAILED CAPACITY CHECK. REMOVED AND REPLACED M1695 BATTERY PACK PER AMM 33-51-06. OPS CHECK OK.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 30,560 hrs · 10,898 cycles

EPL HAS SEVERAL LIGHTS OUT. REPLACED BATTERY PACKS AT STA 322 WL 291 RBL & STA 565 WL 213 R BL RBC. REF WDW 33-91-11.

Part: SKIN — CORRODED (BS 907-927) · airframe 28,574 hrs · 10,254 cycles

CORROSION WAS FOUND IN FUSELAGE SKIN AT LT AFT FUSELAGE AT VACUUM WASTE EXHAUST, STA 907-927, S21L TO S22L DURING A WALKAROUND. THE SKIN WAS REPAIRED IAW ECRA 5330-03715 AND A DIP WAS INITIATED TO PERFORM A PERMANENT REPAIR WITHIN 12 MONTHS.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 22,991 hrs · 8,285 cycles

INSPECTION FOUND THE EMERGENCY LIGHTS AT RT SIDE OVERHEAD BIN INOPERATIVE FROM EMERGENCY EXIT (ROW 16) TO ROW 20. THE BATTERY PACK WAS REPLACED IAW MM 33-51-06.

Part: ACTUATOR — INOPERATIVE (NLG) · airframe 15,915 hrs · 5,620 cycles

THE NLG WOULD NOT EXTEND WHEN GEAR WAS LOWERED ON APPROACH TO AUS. A GO AROUND WAS PERFORMED AND THE TOWER CONFIRMED THAT THE GEAR WAS STILL UP. A MANUAL GEAR EXTENSION WAS PERFORMED AND THE NOSE GEAR EXTENDED. THE AIRCRAFT LANDED AT AUS WITHOUT INCIDENT. EXTENSIVE TROUBLESHOOTING BY MAINTENANCE FOUND THE NLG LOCK ACTUATOR AT FAULT. THE LOCK ACTUATOR WAS REMOVED AND REPLACED IAW MM 32-33-21. A GEAR SWING WAS PERFORMED SEVERAL TIMES AND OPERATIONAL CHECKS WERE GOOD.

Part: HMU — FAILED (NR 2 ENGINE) · airframe 14,864 hrs · 5,225 cycles

THE NR 2 ENGINE AUTO SHUTDOWN WHILE AT 6,000 FEET ON APPROACH TO IAH. THE AIRCRAFT LANDED WITHOUT INCIDENT. BITE TESTS ON THE HMU AND EEC INDICATED THAT BOTH NEEDED TO BE CHANGED. THE NR 2 ENGINE HMU AND NR 2 ENGINE EEC WERE REMOVED AND REPLACED. SUPPLEMENT ADDS PART INFORMATION FOR HMU.