N6810

Part: SHUTOFF VALVE — STUCK (NR 1 ENGINE)

FLT 2015 - BIL-DEN - DURING CLIMB-OUT FROM BIL, THE FLIGHT CREW NOTICED THE NR 1 ENGINE OIL TEMPERATURE SLOWLY RISING. A EMERGENCY WAS DECLARED AND THE ENGINE WAS SHUTDOWN. THE AIRCRAFT RETURNED TO BIL AND AN UNEVENTFUL LANDING WAS MADE. INVESTIGATION REVEALED THAT THE NR 1 ENGINE FUEL DE-ICE VALVE WAS STUCK IN THE OPEN POSITION. THE VALVE WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: HYDRAULIC LINE — CRACKED (RT WING)

FLT 7359 - OAK-MHR - DURING CLIMB, THE SYSTEM A HYDRAULIC QUANTITY STARTED TO DECREASE. THE CREW DECLARED AN EMERGENCY AND LANDED SAFELY IN MHR WITH NO FURTHER PROBLEMS. MAINTENANCE FOUND A CRACKED HYDRAULIC PRESSURE LINE TO THE RIGHT WING LEADING EDGE DEVICES. MAINTENANCE REPLACED THE LINE AND PRESSURE TESTED OK. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: BEAM — CORRODED (MLG)

DSICREPANCY: DURING HEAVY CHECK FOUND LT LANDING GEAR BEAM HAS CORROSION AROUND 6 ATTACH HOLES, STA 854, LBL 87-114. REMOVED CORROSION AND REPAIRED LOWER SURFACE FO WALKING BEAM.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FLOOR SUPPORT HAS SURFACE CORROSION STA 270 RBL3 TO RBL5 WL208. CORRECTIVE ACTION: REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW 727 SRM 51-10-6 & 53-10-1 REPLACED WITH EXTRUSION CHORD 65-17588-66 IAW 727 SRM 53-10-2

Part: INTERCOSTAL — DAMAGED (E/E DOOR)

DISCREPANCY: DURING HEAVY CHECK FOUND: E & E DOOR FORWARD RIGHT HAND INTERCOASTAL HOLES ALONGATED. CORRECTIVE ACTION: REMOVED DAMAGED AREA FROM INTERCOASTAL FABRICATED REPAIR PARTS IAW 727 SRM 51-40-3 TREATED, PRIMED & INSTALLED IAW 727 SRM 51-10-02, MM 51-20-151, SRM 51-40-3, 51-30-2

Part: PRESSURE PANEL — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: AFT OF FS 920 RBL4 TO PRESSURE DECK WEB HAS CRACK INDICATION AT THE END OF 3 CORRUGATION BEAD'S. CORRECTIVE ACTION: FABRICATED DOUBLER FOR AFT PRESSURE DECK AND ALSO INSTALLED CLIPS & DOUBLER IAW B727 DRAWING #69-89360 & SB 727-53-149 REV 4 6-27-91 AT LEAK CHECK SATISFACTORY

Part: ANGLE — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: HORIZONTAL ANGLE CORRODED ON 950 BULKHEAD CLOSURE LBL70 WL165. CORRECTIVE ACTION: REMOVED & REPLACED HORIZONTAL ANGLE IAW B727 SRM 51-30-5 & 51-30-2

Part: CLIP — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: ANGLE CLIP CRACKED AT STA 1110 STR 26 AT C-3 DOOR WEB. CORRECTIVE ACTION: FABRICATED NEW CLIP IAW B727 SRM 51-20-1 SEE ATTACHED TRAVELER FOR FAB. DETAILS. INSTALLED CLIP IAW B727 SRN 51-30-2

Part: FITTING — DAMAGED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: REMOVE T-FITTINGS AT STA 560 RBL 45CORRECTIVE ACTION: REMOVED & REPLACED TEE-FITTING AT STA 560, RDL 46 TO 45 IAW REO & 00281

Part: PRESSURE PANEL — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: AFT OF FS 920 RBL4 TO 10 PRESSURE DECK WEB HAS CRACK INDICATION AT THE END OF 3 CORRUGATED BEAD'S. CORRECTIVE ACTION: FABRICATED DOUBLER FOR AFT PRESSURE DECK AND ALSO INSTALLED CLIPS & DOUBLER IAW B727 DRAWING #69-89360 & SB 727-53-149 REV 4 6-27-91 LEAK CHECK SATISFACTORY

Part: FLOOR SUPPORT — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND STA 1090-1142.7, STR 27 RT FLOOR SUPPORT CORRODED AT THE NUTPLATES.

Part: WEB — CORRODED (DOOR SILL)

DISCREPANCY: DURING HEAVY CHECK, FOUND C-3 DOOR INNER SILL AND WEB CORRODED. REMOVED WEB, FABRICATED NEW PART AND INSTALLED.

Part: FRAME — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FORUND CRACK EXTENDING FURTHER THAN PREVIOUS REPAIR. BELOW C-3 DOOR, FORWARD OF BS 1090 FRAME, BETWEEN STR 26 AND 27 RT. FABRICATED AND INSTALLED FRAME REPAIR AT BS 1090.

Part: FLOORBEAM — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FLOOR BEAM CORRODED AT BS 560 RBL50CORRECTIVE ACTION: REPAIRED UPPER CAP ON FLOOR BEAM AT STA 560 FOR RBL40 TO RBL60 IAW REO S00281

Part: SEAT TRACK — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: SEAT TRACK FITTING AT STA 740 LBL24.68 IS CRACKEDCORRECTIVE ACTION: INSTALLED NEW FITTING 69-14453-1 & BUSHINGS NAS75-4-112 & NAS538B6P012 IAW 727 SRM 51-30-2

Part: VERICAL WEB — DRILL/HOLES (STA1090R TO 1142)

DISCREPANCY: During heavy check found: Vertical web from Sta 1090R to 1142R at C-3 door cut out has drill starts & open holes in webCORRECTIVE ACTION: Vertical web found to be out of limits IAW B727 SRM 53-10-1. Removed web IAW B727 SRM 51-30-2. Fabricated new web IAW B727 SRM 51-20-1. See attached traveler for Fab. Details. Installed new vertical web IAW B727 Srm 51-30-2

Part: STRUCTURE — CRACKED (RT ELEVATOR)

DISCREPANCY: DURING HEAVY CHECK FOUND: RIGHT HAND ELEVATOR HAS CRACKED INTERNAL STRUCTURECORRECTIVE ACTION: REMOVED & REPLACED SKIN PANEL ON RIGHT HAND ELEVATOR FROM STA 136.5 TO 173.21 IAW B727 SRM 51-10-1 & 51-30-2 (REF N/R 26571 FOR MORE DETAILS FOR SKIN ASSY REPLACEMENT)

Part: SEAT TRACK — WORN (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: SEAT TRACKS WORN AT FORWARD END OF SECTIONS AT BS870 RBL24 & RBL45. CORRECTIVE ACTION: REMOVED DAMAGED SEAT TRACK AT RBL 45 & RBL 24.75 STA 870 & REPLACED CORRODED 8 FASTENERS, NUTS. FABRICATED NEW SEAT TRACK IAW B727 ARM 53-10-5

Part: CLIP — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CEHCK FOUND: CORROSION ON FRAME CLIP STA 1148 FORWARD SIDE BETWEEN STR 25 & 24R. CORRECTIVE ACTION: REPAIRED SHEAR TIE IAW B727 SRM 53-10-4 & REPAIR ANGLE IAW B727 SRM 51-40-4

Part: BEARING — WORN (NR 5 FLAP)

DISCREPANCY: DURING HEAVY CHECK FOUND: NR 5 FLAP CARRIAGE THRUST BEARING SUPPORT FITTING WORN, BEARING RACE MOVES 1/4 INCH (AXIAL) IN FITTING. CORRECTIVE ACTION: REMOVED & REPLACED SUPPORT FITTING IAW SRM 51-30-2

Part: CLIP — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: S22R TO FS1148 FRAME CLIP HAS CORROSIONCORRECTIVE ACTION: REMOVED FRAME CLIP STA 1148 STR 22, FABRICATED & INSTALLED FRAME CLIP IAW 727 SRM 51-30-2, 51-20-1

Part: SHEAR TIE — DAMAGED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: REMOVE 2 EACH SHEAR TIE STA 1110 BETWEEN STR 17L & 19L AND 2 EACH SHEAR TIE STA 1130 BETWEEN STR 17L & 19L. CORRECTIVE ACTION: REPLACED SHEAR TIES IAW B727 SRM 51-20-1 & 51-30-2

Part: FLOOR SUPPORT — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FLOOR SUPPORT CRACKED AT AFT ATTACH POINT THRU VERTICAL & HORIZONTAL FLANGES, STA 293 RBL22 WL208. CORRECTIVE ACTION: REMOVE, FABRICATED & INSTALLED ANGLE & FLOOR SUPPORT STA 293 RBL22 WL208 IAW 727 SRM 51-30-2, 51-20-1

Part: DOUBLER — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: S18A DOUBLER CORRODED AT BS870-880 RIGHTCORRECTIVE ACTION: REMOVED & FABRICATED DOUBLER IAW 727 SRM 51-20-1 & RS SRM 51-30-2

Part: STRUCTURE — CRACKED (RT ELEVATOR)

DISCREPANCY: DURING HEAVY CHECK FOUND: RIGHT HAND ELEVATOR HAS CRACKED INTERNAL STRUCTURECORRECTIVE ACTION: REMOVED & REPLACED SKIN PANEL ON RIGHT HAND ELEVATOR FROM STA 136.5 TO 173.21 IAW B727 SRM 51-10-1 & 51-30-2 (REF N/R 26571 FOR MORE DETAILS FOR SKIN ASSY REPLACEMENT)

Part: FLOOR SUPPORT — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FLOOR SUPPORT CORRODED ON TOP FLANG STA 298 & LBL13 CONTINGUING AFT PILLOWING FLOOR SKIN STA 304. CORRECTIVE ACTION: REMOVE, FABRICATED & INSTALLED ANGLE & FLOOR SUPPORT STA 298 LBL13 51-20-1, 51-30-2, 51-30-5

Part: DOOR — CRACKED (E/E BAY)

DISCREPANCY: DURING HEAVY CHECK FOUND: E & E COMPARTMENT DOOR RIGHT HAND FRAME CRACKED FROM UNDER STOP FITTING UPPER EDGE (FORWARD & AFT CORNERS). CORRECTIVE ACTION: REMOVED DAMAGED AREA IN DOOR RIGHT HAND FRAME, FABRICATED REPAIR PARTS IAW 727 SRM 51-40-03 TREATED, PRIMED & INSTALLED IAW 727 SRM 51-10-02 MM 51-20-151 SRM 51-40-03 & 51-30-02

Part: SKIN — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: BULGING CORROSION BETWEEN SKIN DOUBLER & TRIPLER & CRACKED AROUND RIVET AT BS 1115 JUST ABOVE STR 19L IN AFT CARGO COMPT.. CORRECTIVE ACTION: REPAIRED SKIN AT BS 1115 IAW REO S00283

Part: ANGLE — GOUGED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FRAME TO INTERCOASTAL CLIP AT STA 1090 STR 25R HOLES DAMAGED & SEVERLY GOUGED. CORRECTIVE ACTION: REMOVED & FABRICATED NEW CLIP IAW 51-30-2 & 51-20-1 INSTALLED CLIP IAW B727 51-30-2

Part: STRUCTURE — CRACKED (RT ELEVATOR)

DISCREPANCY: DURING HEAVY CHECK FOUND: RIGHT HAND ELEVATOR PNL HAS CRACKED INTERNAL STRUCTURE. CORRECTIVE ACTION: REMOVED & REPLACED PANEL IAW B727 SRM 51-30-2

Part: FLOOR SUPPORT — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FLOOR SUPPORT BRACKET CRACKED AFT OB SIDE STA 294 LBL14. CORRECTIVE ACTION: REMOVE, FABRICATED & INSTALLED FLOOR SUPPORT BRACKET STA 294 LBL14 IAW 727 SRM 51-30-2, 51-20-1, 51-30-5

Part: SEAT TRACK — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: SEAT TRACK CORRODED FROM BS640 TO BS660 RBL45. CORRECTIVE ACTION: REMOVED & REPLACED SEAT TRACK IAW B727 SRM 53-10-5, 51-30-2 BS 540-720 RBL45

Part: SEAT TRACK — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: SEAT TRACK SUPPORT CORRODED ON OUTBD SIDE AT BS 720A RBL46. CORRECTIVE ACTION: REMOVED & REPLACED SEAT TRACK IAW B727 SRM 53-10-5, 51-30-2

Part: SEAT TRACK — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: SEAT TRACK CORRODED FROM BS 660 TO BS 680 RBL45. CORRECTIVE ACTION: REMOVED & REPLACED SEAT TRACK IAW B727 SRM 53-10-5, 51-30-2

Part: STRINGER — MISDRILLED (PAX DOOR)

DISCREPANCY: DURING HEAVY CHECK FOUND: STR 9L STA 500 STRINGER HAS MISS DRILL HOLES LOWER SIDE AT STRINGER TO FRAME CLIP. CORRECTIVE ACTION: FABRICATED NEW REPAIR PART. HAT CHANNEL & 4 NEW SPLICE STRAPS DOUBLERS IAW B727 SRM 53-10-3

Part: WINDOW FRAME — MISDRILLED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: DRILLED HOLE IN WINDOW FRAME STA 465 WL259 LEFT HAND. CORRECTIVE ACTION: DRILLED HOLE & INSTALLED RIVET IAW REO_ S00286 REV ORIG 8-29-00

Part: SHEAR TIE — CRACKED (FUSELAGE)

DISCREPANCY; DURING HEAVY CHECK FOUND: SHEAR TIE CRACKED AT STR 9L STA 500CORRECTIVE ACTION: REMOVED PANEL, REMOVED SHEAR TIE LOCATED & DRILLED NEW SHEAR TIE, ALODINED & PRIMED SHEAR TIE, INSTALLED SHEAR TIE & INSTALLED PANEL IAW B727 SRM 51-30-2 M/M 20-80-1 SRM 51-30-5, 51-10-2 L M/M 51-20-151

Part: SEAT TRACK — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: SEAT TRACK AT BS585 RBL24 CORRODEDCORRECTIVE ACTION: REMOVED DAMAGED, FABRICATED SEAT TRACK & INSTALLED IAW B727 SRM 53-10-5 STA 580 TO 600.

Part: FRAME — MISDRILLED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: CABIN FUSELAGE FRAME HAS 3 DOUBLE DRILLED HOLES & ONE OPEN HOLE AT BS 890 BETWEEN S7L & S9LCORRECTIVE ACTION: DAMAGE FOUND TO BE OUT OF LIMITS IAW 727 SRM 53-10-1 FABRICATED & INSTALLED REPAIR ANGLE IAW 727 SRM 53-10-4-51-30-2

Part: STRUCTURE — CRACKED (RT ELEVATOR)

DISCREPANCY : DURING HEAVY CHECK FOUND: RIGHT HAND ELEVATOR HAS CRACKED INTERNAL STRUCTURES. CORRECTIVE ACTION: REPAIRED INTERNAL STRUCTURE IN RIGHT HAND ELEVATOR IAW 727 SRM 55-20-3 WEIGHED PARTS & FASTENERS (113 GRAMS) REPAIR PERFORMED AT ELEVATOR STA 120.0

Part: FRAME — DAMAGED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FRAME AT STA 520 HAS A BONE WHEEL MARK ON RADIUS AT STR 7R CORRECTIVE ACTION: DAMAGE OUT OF LIMITS IAW B727 SRM 53-10-1 REPAIRED FRAME IAW B727 SRM53-10-4

Part: FRAME — MISDRILLED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: BS640 FUSE FRAME INNER FLANGE DRILLED AT RADIUS AT 5.18R. CORRECTIVE ACTION: REPAIRED IAW B727 SRM 51-40-3 BS 640 FUSELAGE FRAME

Part: FRAME — DENTED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND:FRAME DENTED STA 540 BETWEEN STR 15R & 16RCORRECTIVE ACTION: REPAIRED IAW B727 SRM 51-40-3

Part: FRAME — MISDRILLED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FRAME HAS DOUBLE DRILLED HOLE AS STA 400 STR 3LCORRECTIVE ACTION: REMOVED DAMAGE FABRICATED REPAIR DOUBLE & INSTALLED IAW B727 SRM 51-30-2 & 53-10-4

Part: FRAME — DENTED (FUSELAGE)

DISCREPANCY: DURING HEAVY CEHCK FOUND: FRAME DENTED STA 550 BETWEEN STR 5 & 6RCORRECTIVE ACTION: REMOVED DAMAGED & REPAIRED IAW B727 SRM 53-10-4 FIG 2

Part: FRAME — DENTED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FRAME DENTED AT STR 16L STA 440CORRECTIVE ACTION: REMOVED DAMAGE, FABED DOUBLER & INSTALLED IAW SRM 51-40-3, 51-30-2

Part: SEAT TRACK — DAMAGED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: HOLE IN SEAT TRACK BS740 RBL25CORRECTIVE ACTION: REPLACED SEAT TRACK BS740 RBL 25 IAW B727 SRM53-10-5

Part: FASTENER — INCORRECT (NLG WW)

DISCREPANCY: DURING HEAVY CHECK FOUND: NOSE LANDING GEAR WHEEL WELL PRESS DECK HAS NUMEROUS REPAIRS WITH BLIND FASTENERS CORRECTIVE ACTION: REMOVED FABRICATED & REPLACED COCK PIT PRESSURE DECK PNL & ANGLES IAW 727 SRM 53-10-2, 51-30-2, STA 284 BLO & REMOVED/REPLACED FASTENER ON REPAIRS AT STA 272 LBL14 & AT STA 267 RBL14 IAW B727 SRM 51-30-2.

Part: ANGLE — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: BS 810 CORROSION ON LOWER ATTACH ANGLE INSIDE DELTA KEELBEAM CORRECTIVE ACTION: REMOVED LOWER ATTACH ANGLE IAW B727 SRM 51-30-2. FOUND OUT OF LIMITS IAW B727 SRM 53-10-1. FABRICATED NEW ATTACH ANGLE IAW B727 SRM 53-10-2 FIG 4 INSTALLED ATTACH ANGLE IAW B727 SRM 53-30-2

Part: FRAME — GOUGED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: STA 560 RIGHT HAND FRAME GOUGED 2 SPOTS 4 INCHES UP FROM FLOOR IN BOARD FACE & 5 INCHES UP ON FORWARD FACE. CORRECTIVE ACTION: BLENDED GOUGE & FOUND TO BE OUT OF LIMITS, REMOVED GOUGED AREA FABRICATED & INSTALLED REPAIR PARTS IAW B727 SRM 51-10-6, 53-10-1 & 51-40-3

Part: STRINGER — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CEHCK FOUND:STR 3L CRACKED BEYOND STOP DRILL INTO RADIUS OF STRINGER STA 400CORRECTIVE ACTION: REMOVED DAMAGED AREA, FABRICATED REPAIR PARTS & INSTALLED IAW B727 SRM 51-30-2 & 53-10-3

Part: FRAME — DENTED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: CIRCUM FRAME DENTED TOP SIDE BS990 STR 26LCORRECTIVE ACTION: REPAIRED CIRCUME FRAME AT STA 990 STR 26L IAW B727 SRM 51-40-3

Part: CLIP — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEACY CEHCK FOUND: STR 7 ATTACH CLIP CRACKED STA 520 RIGH HANDCORRECTIVE ACTION: R & R CLIP IAW SRM 51-20-1 & 51-30-2

Part: FRAME — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FRAME CRACKED ON I/B FACE BETWEEN STR 16 R & 17R STA 540. CORRECTIVE ACTION: REPAIRED IAW B727 SRM 51-40-3

Part: FRAME — DENTED (STA600 BETW STR)

DISCREPANCY: During Heavy Check found: Frame dented Sta 600 between Str 5 & 6RCORRECTIVE ACTION: Removed damaged and repaired IAW B727 SRM 53-10-4 Fig 2

Part: ATTACH ANGLE — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: BS800 CORROSION ON LOWER ATTACH ANGLE INSIDE DELTA KEELBEAM CORRECTIVE ACTION: REMOVED LOWER ATTACH ANGLE IAW B727 SRM 51-30-2. FOUND TO BE OUT OF LIMITS IAW B727 SRM 53-10-1. FABRICATED NEW ATTACH ANGLE IAW B727 SRM 53-10-2 & 51-20-1 INSTALLED ATTACH ANGLE IAW B727 SRM 53-30-2

Part: FRAME — DENTED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: CIRCUM FRAME DENTED TOP SIDE BS1010 STR 26LCORRECTIVE ACTION: CUR OUT DENTED AND FABRICATED REPAIR DOUBLER IAW B727 SRM 53-10-2. INSTALLED DOUBLER REPAIR BS 1010 FRAME STR 26L IAW B727 SRM 51-40-3

Part: STRINGER — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEACY CHECK FOUND: STR 24L BS420 HAS CORROSION ON STRINGER. CORRECTIVE ACTION: REMOVED FASTENERS & CUT OUT DAMAGE, FABRICATED 1 HAR CHANNEL, 1 U-CHANNEL, 2 J-CHANNELS IAW B272 SRM 53-10-3

Part: SKIN — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: CRACK IN SKIN PROPAGATING FROM FASTERNER HOLE, BS 1098, STR 1 LBL 1. CORRECTIVE ACTION: REPAIRED CRACKED SKIN IAW 727 SRM 53-30-3 & SB 727 53A0204 REV 3 8-15-1991

Part: FLOORBEAM — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: BS740 FLOORBEAM UPPER CHORD VERTICAL FLANGE CRACKED AT RBL 24 CORRECTIVE ACTION: INSTALLED NEW FLOOR BEAM UPPER CAP IAW 727 SRM51-30-2

Part: ANGLE — BROKEN (ELEVATOR)

DISCREPANCY: DURING HEAVY CHECK FOUND: LEFT HAND ELEVATOR ANGLE BROKENCORRECTIVE ACTION: FABRICATED REPAIR ANGLE IAW 727 SRM 51-20-1 & INSTALLED ANGLE IAW B727 SRM 51-30-2

Part: SKIN — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: CRACK IN SKIN PROPAGATING FROM FASTERNER HOLE, BS 1098, STR 1 RBL 1. CORRECTIVE ACTION: REPAIRED CRACKED SKIN IAW 727 53-30-3 & SB727-53A0204 REV 3 8-15-1991

Part: ACCESS PANEL — CRACKED (ELEVATOR)

DISCREPANCY: DURING HEAVY CHECK FOUND: RIGHT HAND ELEVATOR CRACK IDICATION AT L/E, AFT OF ACCESS PANEL. CORRECTIVE ACTION: FABRICATED REPAIR ANGLE IAW 727 SRM 51-20-1

Part: SEAT TRACK — CORRODED (BS600 TO BS680)

DISCREPANCY: DURING HEAVY CHECK FOUND: SEAT TRACK CORRODED FROM BS 660 TO BS 680 RBL24CORRECTIVE ACTION: REMOVED CORRODED SEAT TRACK BS660-700 RBL24 & INSTALLED REPAIR EXT. 1520-792 IAW 727 SRM 51-30-2, 53-10-2, 53-10-5

Part: PRESSURE PANEL — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: CORROSION TOP SIDE OF PRESSURE BOX BETWEEN DOUBLER & SUPPORT STIFFENER STA 312 LBL15CORRECTIVE ACTION: FOUND CORROSION OUT OF LIMITS ON DOUBLER IAW 727 SRM 53-10-1, REMOVED & REPLACED DOUBLER IAW B727 SRM 51-10-1 & 51-30-2

Part: SEAT TRACK — CRACKED (BS740LBL45)

DISCREPANCY: DURING HEAVY CHECK FOUND: LBL45 SEAT TRACK INTERCOASTAL WEB CRACKED JUST FORWARD OF BS740 CORRECTIVE ACTION: REMOVED INTERCOASTal & attach angle iaw b727 srm 5-30-2 complied with condutivity to 33 iacs web 35 iacs & verified material by chemical test per srm 51-10-1 angle is 20-24-t3040 is 2024t3-032 & install intercoastal angle iaw srm 51-30-2

Part: SEAT TRACK — WORN (BS870LBL25)

DISCREPANCY: DURING HEAVY CHECK FOUND: SEAT TRACK SECTION WORN AT FORWARD END BS 870 LBL25CORRECTIVE ACTION: REMOVED AND REPLACED DAMAGED SEAT TRACK IAW SRM 53-10-5 FIG 7, 51-30-2

Part: SEAT TRACK — WORN (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: SEAT TRACK AT BS 950D RBL45 HAS 2 EACH WORN LOBES. CORRECTIVE ACTION: REPLACED 40 INCH SECTION OF TRACK IAW B727 SRM 53-10-5

Part: DUCT — CRACKED (RT WING)

DISCREPANCY: DURING HEAVY CHECK FOUND: RIGHT HAND WING NR 6 SLAT INTERNAL RIB OUTBD OF ANTI-ICE DUCTING TUBE IS CRACKED (SLAT STA 161) CORRECTIVE ACTION: FABED DOUBLER REPAIR IAW SRM 57-30-3. STOP DRILL CRACK IAW SRM 51-10-1 INSTALLED DOUBLER REPAIR IAW SRM 57-30-3

Part: FRAME — GOUGED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: STA 580 RIGHT HAND FRAME GOUGED 2 SPOTS 4 INCHES ABOVE FLOOR IN BOARD FACE & 5 INCHES ABOVE FLOOR FORWARD FACECORRECTIVE ACTION: REPAIRED FRAME IAW B727 SRM 51-40-3 & 51-30-2

Part: PRESSURE PANEL — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: NOSE LANDING GEAR WHEEL WELL PRESS DECK CRACKED ABOVE THE RIGHT NOSE LANDING GEAR SPIN BRAKE BRACKET BS259 TO 265 RBL20CORRECTIVE ACTION: REPAIRED CRACK IAW B727 SRM 51-40-2 FIG 1

Part: FITTING — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: SEAT TRACK FITTING CRACKED AT STA 740 RBL24CORRECTIVE ACTION: REPAIRED IAW B727 SRM 53-10-8

Part: STRAP — CRACKED (GALLEY DOOR)

DISCREPANCY: DURING HEAVY CHECK FOUND: CRACK IN REINFORCEMENT STRAP FORWARD GALLEY DOOR, UPPER HINGE CUTOUT AREA CORRECTIVE ACTION: REMOVED SKIN, FIXED CRACK BY SB B727-53-0136. INSTALLED SKIN IAW SRM 51-30-2

Part: FRAME — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND FORWARD LOWER NOSE, JUST INSIDE THE RT DOOR FRAME, CORRODED AT STA. 211. REMOVED AND REPLACED NEW WEB AND ATTACH ANGLE.

Part: SEAT TRACK — CORRODED (FUSELAGE)

DISCREPANCY:DURING HEAVY CHECK FOUND SEAT TRACK AT LBL 45 CORRODED FROM BS 560 TO 690. REMOVED AND REPLACED SEAT TRACK.

Part: FRAME — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND BS 480 FRAME FLANGE CRACKED APPROXIMATELY ONE INCH AT STRINGER 22 LT.

Part: STRUCTURE — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND BS 920 FORWARD SIDE LBL 23-48, SEVERAL CORRUGATED BEADS THAT HAVE CRACK INDICATIONS. REPAIRED IAW BOEING SERVICE BULLETIN.

Part: FASTENER — INCORRECT (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: BS720E S19LT HAS ONE BLIND RIVET INSTALLED IN RADIUS CORRECTIVE ACTION: REMOVED DAMAGE IAW B727 SRM 53-10-3 FIG 2

Part: FASTENER — INCORRECT (FUSELAGE)

DISCREPANCY: DURNING HEAVY CHECK FOUND A BLIND RIVET INSTALLED IN BS 720E, STRINGER 19 LT LAP JOINT. REMOVED AND REPLACED WITH PERMINATE FASTENER.

Part: STRINGER CLIP — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: STRINGER CLIP CRACKED S4L STA 480CORRECTIVE ACTION: REMOVED CLIP, FABRICATED NEW CLIP, ALODINED & PRIMED INSTALLED CLIP IAW B727 SRM 51-30-2, 51-30-5, 51-10-2 & MM 51-20-151

Part: BULKHEAD — CRACKED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND BS 178 BULKHEAD CRACKED AT WL 200, AROUND FASTENER HEADS. REPAIRED 178 BULKHEAD CRACKS IAW B727 SB.

Part: FLOORBEAM — CORRODED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FLOORBEAM AT BS700 HAS CORROSION ON LOWER CAP, FORWARD SIDE AT RBL 25. CORRECTIVE ACTION: INSTALL NEW FITTING 69-14453-1 IAW 727 SRM 51-30-2

Part: FRAME — DENTED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FRAME DENTED STA 360 BETWEEN STR 15L & 16L. CORRECTIVE ACTION: REMOVED DAMAGE, FABRICATED REPAIR PARTS, & INSTALLED REPAIR PARTS IAW B727 SRM 51-40-3 & 53-10-2

Part: STRINGER CLIP — DAMAGED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: STRINGER CLIP CUT OUT AT S4L STA 460CORRECTIVE ACTION: REMOVED STRINGER CLIP IAW 727 SRM 51-30-2 FOUND TO BE OUT OF LIMITS IAW 727 SRM 53-10-1 FABRICATED NEW STRINGER CLIP IAW 727 SRM 53-10-2 & 51-20-1 TREATED & PRIMED CLIP IAW 727 SRM 51-10-2 & 727 MM 51-20-151 INSTALLED CLIP IAW 727 SRM 51-30-2

Part: FRAME — GOUGED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: STA 520 FRAME DENTED 7 INCHES ABOVE FLOOR ON IN BOARD FACE & IN BOARD FACE GOUGED 4 INCHES ABOVE FLOOR. CORRECTIVE ACTION: DAMAGE FOUND TO BE OUT OF LIMITS IAW B727 SRM 53-10-1 FRAME REPAIRED IAW B727SRM 51-40-3

Part: FRAME — DENTED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FRAME DENTED STA 460 IN BOARD FACE AT STR 15R. CORRECTIVE ACTION: REPAIRED FRAME IAW B727 SRM REF 51-40-3

Part: FRAME — DENTED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FRAME DENTED STA 480 RIGHT HAND 6 INCHES ABOVE FLOOR. CORRECTIVE ACTION: REPAIR FRAME IAW B727 SRM 53-10-2

Part: FRAME — DENTED (FUSELAGE)

DISCREPANCY: DURING HEAVY CHECK FOUND: FRAME DENTED STA 600 RIGHT HAND BETWEEN 16R & 15R. CORRECTIVE ACTION: REPAIR FRAME IAW SRM 51-40-3

Part: CONTROL BOX — MALFUNCTIONED (WW FIRE DETECTOR)

FLT 2028 - DEN - WHEEL WELL FIRE LIGHT ILLUMINATED AT 4,000 AGL ON CLIMB. AIRCRAFT RETURNED AND MADE AN UNEVENTFUL LANDING AT DEN. REMOVED AND REPLACED FIRE OVERHEAT DETECTION ACCESSORY BOX. OPERATIONALLY CHECKS GOOD. AIRCRAFT RETURND TO SERVICE. (M)

Part: FIRE LOOP — MALFUNCTIONED (MLG WW)

FLT 2027 - SLC - WHEEL WELL FIRE WARNING ILLUMINATED AFTER TAKEOFF. LIGHT WENT OUT AFTER DOORS OPENED. AIRCRAFT RETURNED AND MADE AN UNEVENTFUL LANDING AT SLC. REMOVED AND REPLACED M-25, M-26 AND M-27, NOSE, LEFT AND RIGHT WHEEL WELL FIRE LOOPS. OPERATIONALLY CHECKS GOOD. AIRCRAFT MADE A SUCCESSFUL FLIGHT EVAULATION FOR THE WHEEL WELL FIRE DETECTION SYSTEM WITH NO DEFECTS NOTED DURING THE FLIGHT. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: LIGHT — INOPERATIVE (COCKPIT)

DURING MAINTENANCE, THE EMERGENCY EXIT LIGHT ABOVE THE LEFT FORWARD ENTRY DOOR WOULD NOT HOLD A CHARGE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY EXIT LIGHT ASSEMBLY. PERFORMED A SATISFACTORY OPERATIONAL CHECK PER B-727-223 AMM. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: WARNING SYSTEM — ACTIVATED (MLG WW)

FLT 2036 - PDX-GEG - DURING CLIMB-OUT, WHEEL WELL FIRE INDICATION ON CLIMB-OUT AT 10,000 FEET. THE CREW DECLARED AN EMERGENCY AND RETURNED BACK TO PDX. THE AIRCRAFT MADE A SAFE LANDING WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED MAIN LANDING GEAR WHEEL WELLS FOR INDICATION OF FIRE, SMOKE, OR LOOP DEFECTS. INSPECTED BRAKES AND LOOP FOR DEFECTS. NO DEFECTS FOUND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: FAIRING — CRACKED (NR 2 THRUST REV)

DURING ROUTINE C-CHECK, A CRACK WAS FOUND ALONG NR 2 THRUST REVERSER, AFT FAIRING ASSEMBLY AT THE 1:00 O'CLOCK POSITION. THE CRACK WAS STOPPED DRILLED USING AN 0.187 INCH HOLE. THE CRACK WAS THEN NDT TO ENSURE CRACK LIMITATION. REPAIR DOUBLER WAS INSTALLED USING FLIGHT VEHICLES, INC., DRAWING 54-98301-2 REV NEW DATED 6-9-98 BY AAR IN OKLAHOMA CITY. (X)

Part: SKIN — DAMAGED (HORIZ STAB)

DURING ROUTINE C-CHECK, SEVERAL HOLES ALONG THE RIGHT STABILIZER LOWER TRAILING EDGE AT ELEVATOR STATION 99 TO 136, HOLDING PLASTIC FAIRING WHERE FOUND ENLARGED. EXISTING HOLES WHERE PLUGGED PER SRM. NEW HOLES WHERE MADE 2D FROM PLUGGED HOLES. REINSTALLED PLASTIC FAIRING USING FASTENERS AS REMOVED. REPAIR COMPLIED WITH BY AAR OKLAHOMA, USING FLT VEHICLES, INC REPAIR DRAWING 55-98301-3 REV. NEW DATED 6/9/98. RESTORED AREA AND AIRCRAFT RETURNED TO SERVICE. (M)

Part: BULKHEAD WEB — CRACKED (BS 1183)

DURING ROUTINE C-CHECK, A CRACK WAS FOUND ALONG THE AFT PRESSURE BULKHEAD WEB APPROXIMATELY 1.2 INCHES LONG JUST ABOVE WL 263 AND LBL 26.83, BS 1183. THE CRACK WAS STOP DRILLED USING A 0.187 INCH HOLE. THE CRACK WAS THEN NDT TO ENSURE CRACK LIMITATION. REPAIR DOUBLER INSTALLED USING FLIGHT VEHICLES, INC., DRAWING 53-98301-1 REV NEW DATED 6-9-98 BY AAR IN OKLAHOMA CITY. (X)

Part: FLAP — CORRODED (WING)

DURING ROUTINE C-CHECK INSPECTION. CORROSION WAS FOUND ALONG THE NR 1 KRUGER FLAP BULLNOSE WHERE THE JUMPER CABLE IS ATTACHED. THE CORROSION WAS REMOVED BY BLENDING OUT. THE JUMPER ATTACH HOLE WAS RELOCATED IN THE MAIN FLAP BODY FORWARD 1.0 INCH WHILE MAINTAINING A 0.40 INCH EDGE MARGIN. THE AREA WAS REPAIRED IAW BOEING ENGINEERING LETTER AOC-OKC-98-053RR DATED 6-2-98 BY AAR OKLAHOMA CITY. THE AREA WAS RESTORED TO NORMAL AND THE AIRCRAFT WAS RETURNED TO SERVICE. (X)

Part: WING BOX — CORRODED (WING CTR SECT)

DURING ACCOMPLISHMENT OF AD 85-24-2, RAM AIR PLENUM CORROSION INSPECTION. CORROSION WAS FOUND ALONG THE RT SIDE WING BOX CENTER SECTION AT STRINGERS S-3C AND S-4C, RBL 36.5 AND STRINGERS 3C AND S-4C, RBL 20.0. THE CORROSION WAS REMOVED BY BLENDING OUT. THE AREA WAS REPAIRED IAW BOEING ENGINEERING LETTER AOC-OKC-98-05044 DATED 6-2-98, BY AAR OKLAHOMA CITY. STRUCTURAL SUBSTANTIATION OF REPAIR PLAN IS AN AMOC TO AD 85-24-02. THE AREA WAS RESTORED TO NORMAL AND ACFT RETURNED TO SERVICE. (X)

Part: WING BOX — CORRODED (WING CTR SECT)

DURING ACCOMPLISHMENT OF AD 85-24-02, RAM AIR PLENUM CORROSION INSPECTION. CORROSION WAS FOUND ALONG THE LEFT SIDE WING BOX CENTER SECTION AT STR 4C AND LBL 36.5. THE CORROSION WAS BLENDED OUT AND A DOUBLER WAS INSTALLED. THE AREA WAS REPAIRED IAW BOEING ENGINE LETTER AOC-OKC-98-051RR DATED 6-2-98 BY AAR OKLAHOMA CITY. STRUCTURAL SUBSTANTIATION OF REPAIR PLAN IS AN AMOC TO AD 85-24-02. THE AREA WAS RESTORED TO NORMAL AND ACFT RETURNED TO SERVICE. (X)