N5693A

Part: FAILSAFE — CORRODED (ZONE 100) · airframe 74,393 hrs · 38,173 cycles

WO 98143, NR00005 FAS# 4686 WHILE WORKING TASK CARD 737-53A1414-01-NDT_UT FOUND CORROSION ON FAILSAFE STRAP AT STA 663.75 LH SIDE (AD RELATED) - FAS#6574COMPLIED WITH FAS EA 25015 REV IR/AT BSTA 663.75 BULKHEAD/LH PICKLE FORK FITTING/FAIL SAFESTRAP/CORROSION

Part: DOOR — OUT OF ADJUST (ZONE 800) · airframe 74,279 hrs · 38,120 cycles

DEFECT 750237: L1 DOOR SLIDE NEEDS TO BE ADJUSTED. FOUND L1 DOOR SLIDE MISALIGNED. RESOLUTION: REINSTALLED L1 DOOR SLIDE IAW AMM 25-66-00. OK FOR SERVICE.

Part: SKIN — CORRODED (ZONE 100) · airframe 73,947 hrs · 37,961 cycles

R/H FUSELAGE FROM STA663 TO AFT PRESSURE BULKHEAD HAS SIGNS OF CORROSION ALONG LAP SEAM. ACCOMPLISHED EA 737-5360-72-B0528 P1, EA 737-5360-72-B0528 REV I/R AND SCA EA 53-0251. 83658 SAA001 27JUN25 CONTINUED ON SUPPLEMENT # 110668, 111233, 111241, 111242, 111243, 111244, 111245, 111249 83058 SAA001 27JUN25.

Part: FITTING — WORN (ZONE 500) · airframe 73,947 hrs · 37,961 cycles

L/H WING FOUND WEAR MARKING I/B SIDES OF FACE ON O/B FITTING I/B FLAP .

Part: FLAP TRACK — EXCESS PLAY (ZONE 600) · airframe 73,947 hrs · 37,961 cycles

UPON DISASSEMBLY OF THE R/W I/B AFT FLAP TRACK FOR EXCESSIVE AXIAL PLAY. FOUND O/B TRACK, I/B SIDE, O/B FACE HAS EXCESSIVE WEAR. O/B FLAP FITTING I/B LUG AT R/W I/B AFT FLAP FOUND TO BE OUT OF LIMITS DUE TO THE DAMAGE IS JUST NEXT TO THE EDGE OF THE BUSHING. PER SRM 57-53-02-1A-1 THE MINIMUM DISTANCE BETWEEN DAMAGE AND EDGE OF THE BUSHING IS 0.20". REMOVED DAMAGE BY SMOOTH BLENDING WITHOUT INCREASING DEPTH, ENSURING NO DAMAGE TO ADJACENT OR UNDERLYING STRUCTURES IAW EAR #6. REWORKED DIMENSIONS: A1- L=1.130IN W= 0.500IN, A2- L= 1.250IN W=0.560IN AND DISTANCE TO ADJACENT BORE ON BOTH REWORKS IS 0IN PME. PERFORMED DVI ON REWORKED AREAS, NO ADDITIONAL DAMAGE FOUND ON THE SURROUNDING AREA IAW EAR #6 SERVICE ORDER NO. 7003156660 REPLY NO. 2 DATED 09JUNE2025. REQUEST FOR NDT-HFEC INSPECTION FOR CRACKS AND NDT-UT INSPECTION TO DETERMINE THE MRT READING OF THE AFFECTED LVG IAW EAR #6 SERVICE ORDER NO. 7003156660 REPLY #3 AND 4.

Part: FLAP — CRACKED (ZONE 600 LE) · airframe 73,947 hrs · 37,961 cycles

CRACKED RH WING INBD KRUEGER FLAP T/E. REMOVED SEAL FOR ACCESS AT RH WING INBD KRUEGER FLAP IAW B737-800 BCF SRM 51-40-02-0G-0. REMOVED DAMAGE AT RH WING INBD KRUEGER FLAP TIE IAW B737-800-BCF SRM 57-43-02-2R-3 REP. 3 PAR 4A FIG 202 REQUEST NDT FOR (HFEC) AND OPEN HOLE.

Part: LAP JOINT — CORRODED (ZONE 100) · airframe 73,947 hrs · 37,961 cycles

L/H FUSELAGE FROM STA 663 TO AFT PRESSURE BULKHEAD HAS NOTEABLE CORROSION ALONG LAPSEAM AS MARKED. ACCOMPLISHED EA 737-5360-72-B0508 IR ON L/H FUSELAGE AT AREA 1 STA 727A 5-14L, AREA 2 STA 727D 5-14L, AREA 3 STA 727F TO STA 727G 5-14L, AREA 4 STA 747 TO STA 767 5-14L, FOUND TO BE STRUCTURALLY ACCEPTABLE AS PERMANENT CATEGORY A. THIS REPAIR IS CONSIDERED AS MINOR REPAIR.

Part: PRESSURE BLKHD — CORRODED (ZONE 100) · airframe 73,947 hrs · 37,961 cycles

L/H FUSELAGE FROM STA 663 TO AFT PRESSURE BULKHEAD HAS NOTEABLE CORROSION ALONG LAPSEAM AS MARKED. ACCOMPLISHED EA 737-5360-72-B0508 IR ON L/H FUSELAGE AT AREA 1 STA 727A 5-14L, AREA2 STA 727D 5-14L, AREA 3 STA 727F TO STA 727G 5-14L, AREA 4 STA 747 TO STA 767 5-14L, FOUND TO BE ACCEPTABLE AS PERMANENT CATEGORY A. THIS REPAIR IS CONSIDERED AS MOINOR REPAIR.

Part: FASTENER — LOOSE (ZONE 400) · airframe 73,365 hrs · 37,672 cycles

MULTIPLE SMOKED FASTENERS ON THE R/H WING JUST INBOARD OF THE #2 ENGINE PYLON WHEN PRESSING ON PANEL IT APPEARS THAT THE FASTENERS ARE LOOSE AND MAYBE SHEARED. ACCOMPLISHED REPAIR ON RH WING LOWER FIXED TRAILING EDGE PANEL I/B OF #2 PYLON IAW B737-800BCF SRM 51-70-04.

Part: LIGHT — ARCED (ZONE 200) · airframe 72,908 hrs · 37,456 cycles

DEFECT 749919: FO MAP LIGHT SPARKED POPPED C/B, RESET MAP AND KIT C/B, STATIC FEEDBACK CAN BE HEARD ON FO HEADSET.

Part: GIRT BAR — LOOSE (L1 DOOR) · airframe 71,970 hrs · 37,039 cycles

GIRT BAR LOOSE WHILE IN DOOR BRACKETS. ADJUSTED GIRT BAR 2 RETAINING CLIPS ON L1 DOOR REF AMM 25-66-01. GIRT BAR RESECURED

Part: CONTROLLER — FAILED (CABIN TEMP) · airframe 71,701 hrs · 36,903 cycles

UNABLE TO CONTROL FLIGHT DECK TEMP. EXESSIVE HEAT. FOLLOWED QRH PROCEDURE TURNED OFF TRIM AIR SWITCH STILL UNCONTROLLABLE THEN TURNED OFF L- PACK PER QRH A/C TEMP WENT FULL COLD AND UNABLE TO CONTROL. HAD TO DESCEND TO WORK UP. REMOVED AND REPLACED ZONE TEMPERATURE CONTROLLER IAW AMM 21-51-02. PERFORMED BITE TEST IAW AMM FIM 21-62 TASK 801. NO FAULT NOTED. OK FOR SERVICE.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 70,354 hrs · 36,302 cycles

R1 WINDOW CRACKED REMOVED AND REPLACED R1 WINDOW. OPS CHECKED GOOD. LEAK CHECKED GOOD

Part: FRAME — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00261: CORROSION FWD CARGO COMPARTMENT, FRAME AT WL 160, BS 500I BETWEEN S-25L TO S-26L HAS CORROSION. - - - RESOLUTION: CORROSION ON STA 500I FRAME BETWEEN S25L TO 26L, WL 160 FOUND OUT OF LIMITS SRM 53-00-07-1A-1. REPLACED STA 500I FRAME, BETWEEN S25L AND S26L, WL 160 PER SCA EC/TC# ENG-53SCA-11187 REV. 00 AND ATS ER # 23-01601 REV 1R. INSPECTION THRESHOLD TOTAL 50,000 FLIGHT CYCLES. CAUSE OF CORROSION: MOISTURE.

Part: BAFFLE — DAMAGED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00577: FWD CARGO COMPPARTMENT, BAFFLE IS DAMAGED BETWEEN BS 400 AND BS 420, S-26L. - - - RESOLUTION: REMOVED AND REPLACED BAFFLE ON AFT CARGO FWD BETWEEN STA 400 AND 420 LBL 26 PER B737-800 SRM 51-40-02-0G AND DWG 143A7510 REV C.

Part: PLATE — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00513: CORROSION FWD CARGO COMPARTMENT BS440 FRAME ATTACH PLATE FROM STRINGER 22L TO 24L AT NUT PLATE HOLES. - - - RESOLUTION: REMOVED AND REPLACED NEW ATTACH PLATE ON BS 440 FROM BETWEEN STRINGER 22L TO 24L IAW B737 SRM 51-40-02-0G-0 DWG 814A3100. CAUSE OF CORROSION: MOISTURE.

Part: WEB — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00421: STA 420-440 STR 26R INTERCOSTAL. - - - RESOLUTION: CORROSION ON INTERCOSTAL STA 420-440 STR 26 FOUND TO BE OUT OF LIMITS IAW B737 53-30-15-1A-1 4.G(B) PART REPLACED IAW B737 SRM 51-40-05-0G-0, 51-40-02-0G-0, AND BOEING DRAWING 143A8120 REV -.

Part: CHANNEL — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00254: CORROSION FWD CARGO COMPARTMENT, ZEE CHANNEL AT WL 160, BS 500A TO BS 500I, S-26R, HAS CORROSION (MARKED). - - - REMOVED AND INSTALLED REPLACEMENT ZEE CHANNEL AT WL 160, BS 500A TO BS 500I S-26R PER B737 SRM 51-40-02-0G-0 AND BOEING DWG #143A7500 REV A.

Part: BAFFLE — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00259: FWD CARGO COMPARTMENT, BAFFLE AT WL 160, S-26R, BETWEEN BS 400 AND BS 420 IS CRACKED. - - - RESOLUTION: REMOVED AND INSTALLED REPLACEMENT BAFFLE AT WL 160, S-26R, BETWEEN BS400 AND BS 420, PER B737 SRM 51-40-02-0G-0, AND BOEING DWG 143A7505 REV B.

Part: SHIELD — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00257: FWD CARGO COMPARTMENT, SHIELD AT WL 160, S26R, BS 500 HAS CORROSION. - - - RESOLUTION: REMOVED AND REPLACED SHIELD WL 160 S26R, BS 500 PER B737-800 SRM 51-40-02-0G AND DWG 143A0080 REV A.

Part: BAFFLE — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00253: FWD CARGO COMPARTMENT, BAFFLE AT WL 160, BETWEEN BS 500F AND BS 500G, S-26R FASTENER HOLES DAMAGED. (MARKED) - - - RESOLUTION: REPLACED AND REPAIRED BAFFLE WL 160, BETWEEN BS 500F AND BS 500G, S-26R AT FWD CARGO PER B737-800 SRM 51-40-02-0G-0 AND SRM 53-20-53-2R-1 ALL DONE PER SCA ENG 53-01168 REV 00 AND ATS ER/A 23-01494 REV 1R. CAUSE OF CORROSION: MOISTURE.

Part: BAFFLE — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00269: FWD COMPARTMENT, BAFFLE AT WL 160 S-26L, BETWEEN BS.500F TO 500G AFT UPPER HOLE IS ELONGATED. (MARKED) - - - RESOLUTION: REPLACED AND REPAIRED BAFFLE AT WL 160 S-26L BETWEEN BS 500F TO 500G FWD CARG PER B737-800 SRM 51-40-02-0G-0 AND 53-30-53-2R-1 ALL IAW SCA ENG-535CA-11167 REV 00 AND ATS ER/A 23-01495 REV 1R, CAUSE OF CORROSION: MOISTURE.

Part: STRINGER — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00258: CORROSION FWD CARGO COMPARTMENT STRINGER AT WL 160, BS400, S-26R HAS CORROSION (MARKED). - - - RESOLUTION: CORROSION DAMAGE EVALUATED AND FOUND TO BE OUT OF LIMITS PER B737 SRM 53-00-03-1A-1. REMOVED DAMAGED SECTION OF STRINGER 26R FROM BS 400-420 AND REPAIRED PER B737 SRM 53-00-03-2R-1.

Part: CHANNEL — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00262: CORROSION FWD CARGO COMPARTMENT, Z CHANNEL AT WL 160, BS 500B TO BS 500I, S-26L HAS CORROSION. - - - RESOLUTION: REMOVED AND REPLACE FWD CARGO COMPARTMENT Z CHANNEL AT WL 160, BS 500B TO 500I, S-26L IAW B737-800 SRM 51-40-02-0G-0 AND DWG 143A7500 REV A SRM 53-00-53-2R-5

Part: SHIELD — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00271: FWD CARGO COMPARTMENT, SHIELD AT WL 160 BS 440 AND S26R HAS CORROSION. - - - RESOLUTION: REMOVED AND REPLACED SHIELD AT WL 160 BS440 AND S26R IAW B737-800 SRM 51-40-02-0G AND DWG 143A0080 REV A.

Part: SUPPORT — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00255: FWD COMPARTMENT SIDEWALL SUPPORT AT BS500D FROM S20R TO S26R HAS CORROSION. - - - RESOLUTION: REMOVED AND REPLACED SIDEWALL SUPPORT AT ST 500D FROM S-20R TO S-26R IAW B737-800 SRM 51-40-02-0G AND DWG 143A9405 REV A. CAUSE OF CORROSION: MOISTURE.

Part: WEB — CORRODED · airframe 69,397 hrs · 35,874 cycles

DEFECT NR00232: CORROSION FOUND ON FWD CARGO DOOR SUB THRESHILD WEB WHILE ACCESSING FOR NDI INSPECTION. - - - RESOLUTION: FWD CARGO DOOR SUB THRESHOLD FOUND TO BE OUT OF LIMITS IAW SRM 53-30-15-1A-1 STEP 4 G(2) FIG 1 & 3 DETAIL D REMOVED THRESHOLD WEB IAW SRM 51-40-2-0G-0 REV 17. INSTALLED NEW THRESHOLD WEB LOT# 5131731-4 IAW SRM 51-40-02-0G-0 REV 17 AND BOEING DWG 143A2330REV A.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 69,397 hrs · 35,874 cycles

DEFECT ID 00229: BS 663 LOWER VAPOR BARRIER CRACKED OUTBORD OF RBL 55 APPROX. WL150 - - - RESOLUTION: REMOVED R/H 663 CRACKED VAPOR BARRIER IAW SRM 51-40-07-0G-0 REV 17. INSTALLED NEW VAPOR BARRIER LOT # 5117141-1 IAW SRM 51-40-02-0G-0 AND BOEING DWG 111A1000 REV A.

Part: NONE — NONE · airframe 69,055 hrs · 35,722 cycles

DEFECT 735769: L1 DOOR SLIDE GIRT BAR LOOSE RESOLUTION: REINSTALLED L1 SLIDE IAW B737 AMM 25-66-01. NO FURTHER DEFECTS NOTED BY MX.

Part: RETAINER — OUT OF ADJUST (L1 GIRT BAR) · airframe 68,523 hrs · 35,470 cycles

L1 DOOR SLIDE GIRT BAR WON'T STAY ON RETAINER FOR DOOR. ADJUSTED GIRT BAR HOLDER AS NEEDED.

Part: PRESSURE SWITCH — MALFUNCTIONED (APU OIL PRESSURE) · airframe 62,807 hrs · 33,222 cycles

DURING CLIMB OUT FROM MSP APU LOW OIL PRESSURE LIGHT ILLUMINATED FOLLOWED BY #2 SOURCE OFF LIGHT ILLUMINATING. DECLARED AN EMERGENCY- AIR RETURN. REMOVED AND REPLACED APU LOW OIL PRESSURE SWITCH IAW AMM 49-94-22. DPI INDICATOR INSPECTED, OIL LEVEL FULL. OK FOR SERVICE.