# Service difficulty reports: N681UP, cancelled Dec 8, 2011

A list on [N681UP, cancelled Dec 8, 2011](https://openairdocs.org/deregistered/N681UP-2011-12-08.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Page 1 of 10 · 468 reports

- [SDR UPS07449230](https://openairdocs.org/sdr/UPS07449230.md): Structure · cracked · Feb 15, 2007 · N681UP · Boeing 747121 · Fuselage Main, Structure
  > INSPECTION TYPE:C 1EA FASTENER HOLE FOUND CRACKED AT BS 460 S15L BONDED STRAP, CRACK LOCATED AT DOWNWARD DIRECTION. BS 460 S15L CRACKED BONDED STRAP REPAIRED AS PER RS R53-11-35753A AND UPS EO B747-5310-26158.
- [SDR UPS07449229](https://openairdocs.org/sdr/UPS07449229.md): Stringer · cracked · Feb 15, 2007 · N681UP · Boeing 747121 · Fuselage Main, Longeron/Stringer
  > INSPECTION TYPE:C 1EA FASTENER HOLE FOUND CRACKED AT BS 460 S15L CRACKS WERE LOCATED AT UPWARD AND DOWNWARD DIRECTION. STRINGER REPLACED AS PER SRM 51-10-01 PG 9.
- [SDR UPS07449228](https://openairdocs.org/sdr/UPS07449228.md): Stringer · cracked · Feb 15, 2007 · N681UP · Boeing 747121 · Fuselage Main, Longeron/Stringer
  > INSPECTION TYPE:C 1EA FASTENER HOLE FOUND CRACKED AT BS 460 S15R CRACKS WERE LOCATED AT UPWARD AND DOWNWARD DIRECTION. STRINGER REPLACED AS PER SRM 51-10-01 PG 9.
- [SDR UPS06448761](https://openairdocs.org/sdr/UPS06448761.md): Battery Pack · inoperative · Dec 12, 2006 · N681UP · Boeing 747121 · Emergency Lighting
  > UPPER HALLWAY EMERGENCY LIGHT BATTERY PACK INOP. REMOVED AND REPLACED EMERGENCY BATTERY PACK IAW AMM 33-51-00. OPS CK NORMAL.
- [SDR UPS06448243](https://openairdocs.org/sdr/UPS06448243.md): Control Panel · malfunctioned · Oct 13, 2006 · N681UP · Boeing 747121 · Emergency Lighting
  > INSPECTION TYPE:PFLT ON PRE FLT, FOUND EMERG EXIT LT PANEL UNARMED LT ILLUM WITH SWITCH IN ARMED POS. REMOVED AND REPLACED EMERG LT PANEL ON OVERHEAD. OPS CK GOOD IAW MM 33-51-00.
- [SDR UPS06447671](https://openairdocs.org/sdr/UPS06447671.md): Spoiler · inoperative · Aug 14, 2006 · N681UP · Boeing 747121 · Drag Control System
  > DIVERSION, NR 5 SPOILER WOULD NOT RETRACT. LEFT WING NR 5 SPOILER ROD AND TRAILING EDGE SUPPORT. A/C FERRIED TO SDF FOR REPAIR. STARTED ECA FORM 011205 COMPLETED. THIS CLEARS D331371.
- [SDR UPS06447398](https://openairdocs.org/sdr/UPS06447398.md): Skin · worn · Jul 22, 2006 · N681UP · Boeing 747121 · Nacelle/Pylon, Plate/Skin
  > NR 4 PYLON INNER VERT WEB O/B SIDE SKIN WORN THROUGH GREATER THAN 50% OF THICKNESS ALONG THE ENTIRE LENGTH DUE TO CONTACT WITH THE CORE COWL. FABRICATED REPAIR DOUBLER FROM.125 2025-T3, DRILLED AND COUNTERSUNK PER B747 SRM 54-30-03 FIG 35 AND 36. INSTALLED
- [SDR UPS06447397](https://openairdocs.org/sdr/UPS06447397.md): Skin · worn · Jul 22, 2006 · N681UP · Boeing 747121 · Nacelle/Pylon, Plate/Skin
  > NR 4 PYLON INSIDE VERT WEB INBD SKIN WORN THROUGH AT AFT END PEELING AND MISSING AT FWD END. DRILLED OFF INNER STAINLESS AND TRIMMED OUT DAMAGE SKIN 1" BY 9.5". DAMAGE REGLUED. TRIMMED OUT ADDITIONAL DAMAGE. FABRICATED AND DRILLED DOUBLER AND FIRE SHIELD P
- [SDR UPS06447315](https://openairdocs.org/sdr/UPS06447315.md): Light · inoperative · Jul 11, 2006 · N681UP · Boeing 747121 · Emergency Lighting
  > EMERGENCY LIGHTS ABOVE CREW STAIRS INOP. REMOVED AND REPLACED EMERGENCY LIGHT ASSEMBLY AT SPIRAL STAIRWELL REF UPS 747 M/M CHAP 33-51-04. OPS CHECKED OK.
- [SDR UPS06447294](https://openairdocs.org/sdr/UPS06447294.md): Support Tube · cracked · Jul 5, 2006 · N681UP · Boeing 747121 · Wing Miscellaneous Structure
  > RT WING LEADING EDGE TENSION SUPPORT TUBE CRACKED. REMOVED AND REPLACED LEADEING EDGE PANEL SUPPORT TUBE ASSY. IN REF RO STANDARD PRACTICES 20-51-01. OK FOR SERVICE
- [SDR UPS06446541](https://openairdocs.org/sdr/UPS06446541.md): Floorbeam · cracked · Mar 21, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor Beam
  > BS 2060 RBL 98 FLOOR SUPPORT BRACKET FOUND CRACK, CRACK LENGTH 0.75". SUPPORT BRACKET REPLACED AS PER SRM 51-10-01 PG 9 AND INSTALLED AS PER SRM 51-30-02.
- [SDR UPS06446540](https://openairdocs.org/sdr/UPS06446540.md): Floorbeam · cracked · Mar 19, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor Beam
  > BS 2060 RBL 60 LATERAL FLOOR SUPPORT LWR SUPT ANGLE FOUND CRACKED, CRACK LENGTH 3" AND 2.5". SUPPORT ANGLE REPLACED AS PER SRM 51-10-01 PG 9 AND INSTALLED AS PER SRM 51-30-02.
- [SDR UPS06446607](https://openairdocs.org/sdr/UPS06446607.md): Fitting · chafed · Mar 16, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > FX INTERIOR STRINGER END FTG FOUND DEEP CHAFING MARK AT STA 2598 BHD AFT FACE AT S49L, 51R, 51L TOTAL 3EA. BS 2598 BHD AFT STR 51L, 51R END FTG REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02, STR 49L SMOOTHED OUT AND REPROTECTED AS PER SRM 51-10
- [SDR UPS06446542](https://openairdocs.org/sdr/UPS06446542.md): Rib · cracked · Mar 16, 2006 · N681UP · Boeing 747121 · Landing Gear Doors
  > LT MLG WW I/B DOOR FWD VERTICAL BEAM LOWER RIB FOUND CORROSION CRACKED AT INTERIOR SURFACE, DURING LOWER BEAM REMOVED, CRACK LENGTH 1/2". RIB REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.
- [SDR UPS06446520](https://openairdocs.org/sdr/UPS06446520.md): Stringer · cracked · Mar 16, 2006 · N681UP · Boeing 747121 · Fuselage Main, Longeron/Stringer
  > FOUND FUSELAGE SKIN REMOVED STRINGER FOUND CRACKED AT STA 2598 TO STA 2600 STR 51R, CRACK LENGTH 1/2". FOUND BS 2598 TO BS 2638 STR 51R REPLACED AS PER SRM 51-10-01 PG 9 AND INSTALLED AS PER SRM 51-30-02.
- [SDR UPS06446630](https://openairdocs.org/sdr/UPS06446630.md): Skin · corroded · Mar 15, 2006 · N681UP · Boeing 747121 · Fuselage Main, Plate/Skin
  > BS 1040-1044 LBL 123 WING CTR SECTION UPPER FACE FOUND CORROSION. CORROSION BLEND OUT 0.063" BY 4" BY 4" EXCEED SRM 57-30-01 FIG 1 LIMITS, M/D BS 1040-1044 LBL 123" WING CTR SECTION UPPER SKIN REPAIRED AS PER HX RS NR R57-14-35470 AND UPS EO NR B747-5710-2405
- [SDR UPS06446634](https://openairdocs.org/sdr/UPS06446634.md): Longeron · cracked · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Main, Longeron/Stringer
  > M/D BS 1235-1241 LBL 11 LONGERON LOWER CHORD FOUND CRACK, CRACK LENGTH 3/4". M/DECK BS 1226 TO BS 1241 LBL 11 FLOORBEAM LOWER CHORD REPAIRED AS PER HX RS NR R57-14-35452 REFER NRC NR RH66317 FOR WORKING DETAIL AND UPS EO NR B747-5710-24065-A.
- [SDR UPS06446623](https://openairdocs.org/sdr/UPS06446623.md): Web · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > BS 1235-1241 WING CTR SECTION UPPER FACE LBL 12-33 FOUND BULGE UP ( 2 LOCATIONS). CORROSION BLEND OUT 0.140" BY 2.5" BY 6" EXCEED SRM 57-30-01 FIG 1 LIMITS. REPAIR WORK CARRIED OUT AS PER HX RS NR R57-14-35452 & UPS EO NR B747-5710-24065-A.
- [SDR UPS06446611](https://openairdocs.org/sdr/UPS06446611.md): Floorbeam · cracked · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor Beam
  > BS 660 UPPER DECK FLOORBEAM HORIZ FWD FLANGE FOUND CRACKED AT LBL 67" ONE FASTENER HOLE 0.030" IN LENGTH RUNNING FWD O/B AND AT LBL 79" ONE FASTENER HOLE 0.030" IN LENGTH RUNNING AFT. BS 660 FLOORBEAM HORIZ FWD FLANGE LBL 67" & LBL 79" HOLES REPAIRED AS PER U
- [SDR UPS06446609](https://openairdocs.org/sdr/UPS06446609.md): Floorbeam · cracked · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor Beam
  > BS 400 UPPER DECK FLOORBEAM FWD HORIZ FLANGE RBL 13" FASTENER HOLE FOUND CRACKED APPROX 0.040" IN LENGTH RUNNING FWD. BS 400 UPPER DECK FLOORBEAM FWD HORIZ FLANGE RBL 13" REPAIRED AS PER UPS EO# B747-5310-23043 APPENDIX D FIG 9 PLAN C.
- [SDR UPS06446608](https://openairdocs.org/sdr/UPS06446608.md): Floorbeam · cracked · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor Beam
  > BS 600 UPPER DECK FLOORBEAM AFT HORIZ FLANGE FOUND CRACK AT RBL 54, 57 AND 60 APPROX 1/8", 1/8, 1/16" RESPECTIVELY ALL RUNNING AFT. U/D BS 600 FLOORBEAM AFT HORIZ FLANGE RBL 54, 57 AND 60. REPAIRED AS PER UPS EO NR B747-5310-23043 APPENDIX D FIG 14 PLAN H.
- [SDR UPS06446599](https://openairdocs.org/sdr/UPS06446599.md): Cargo Track · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage, Seat/Cargo Attach Fittings
  > BS 1030-1040 LBL 11 TIE DOWN TRACK FLANGE LWR FACE FOUND CORRODED. CORROSION BLEND OUT 0.077" BY 1" BY 3" EXCEED SRM 53-10-01 FIG 1 LIMIT. BS 1000-1130 LBL 11" TIE DOWN TRACK REPAIRED AS PER SRM 53-10-05 FIG 34.
- [SDR UPS06446592](https://openairdocs.org/sdr/UPS06446592.md): Cargo Track · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage, Seat/Cargo Attach Fittings
  > BS 2020-2040 RBL 33 TIE DOWN TRACK O/B FLANGE FOUND CORRODED. CORROSION BLEND OUT 0.025" BY 0.5" X 1.5" EXCEED SRM LIMIT. NEW SECTION TIE DOWN TRACK INSTALLED AS PER SRM 53-10-05 FIG1A
- [SDR UPS06446588](https://openairdocs.org/sdr/UPS06446588.md): Floorbeam · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor Beam
  > BS 1170 LBL11 TO RBL11 LATERAL FLOORBEAM FOUND CORRODED. CORROSION BLEND OUT 0.042" BY 3/4" BY 2" EXCEED SRM LIMIT. BS 1170 LBL 11 TO RBL 11 FLOORBEAM REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.
- [SDR UPS06446582](https://openairdocs.org/sdr/UPS06446582.md): Floor Support · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > INSPECTION TYPE:C M/D- BS 1180 LBL 116 LONGITUDINAL FLR SUPPORT FOUND COR. CORROSION BLEND OUT 0.023" X 5/8" X 1.5" EXCEED SRM 53-10-01 FIG 1 LIMITS, THE FLOOR SUPPORT REPAIRED AS PER SRM 51-40-04 FIG 2.
- [SDR UPS06446581](https://openairdocs.org/sdr/UPS06446581.md): Cargo Track · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage, Seat/Cargo Attach Fittings
  > INSPECTION TYPE:C M/D- BS 2110-2120 RBL 33 TIE DOWN TRACK O/B SPLICE FLANGE FOUND COR. CORROSION BLEND OUT 0.031" X 3/4" X 1/2" EXCEED SRM 53-10-01 FIG 1 LIMITS, M/D - BS 2110-2120 RBL 33 TIE DOWN TRACK O/B SPLICE REPLACED AS PER SRM 51-10-01 PG 9
- [SDR UPS06446576](https://openairdocs.org/sdr/UPS06446576.md): Cargo Track · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage, Seat/Cargo Attach Fittings
  > BS 2090-2110 LBL 66 TIE DOWN TRACK FLANGE FOUND CORROSION. CORROSION BLEND OUT 0.035" BY 1" BY 1.5" EXCEED SRM 53-10-01 FIG 1 LIMITS, BS 2070 TO BS 2150 LBL 66 TIE DOWN TRACK REPAIRED AS PER SRM 53-10-05 FIG 1A.
- [SDR UPS06446574](https://openairdocs.org/sdr/UPS06446574.md): Floorbeam · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor Beam
  > BS 1253 LBL 11 TO RBL 11 LATERAL FLOOR SUPPORT FOUND CORRODED. CORROSION BLEND OUT 0.045" BY 1.5" BY 2" EXCEED SRM LIMIT. FLOOR SUPPORT REPLACED AS PER SRM 51-10-01 PG9 AND INSTALLED AS PER SRM 51-30-02.
- [SDR UPS06446571](https://openairdocs.org/sdr/UPS06446571.md): Support · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > BS 1100 LBL78-96 LATERAL FLOOR SUPPORT FOUND CORRODED. CORROSION BLEND OUT 0.050" BY 3/8" BY 7/8" EXCEEDED SRM LIMIT. LATERAL FLOOR SUPPORT REPLACED AS PER SRM 51-10-01 P9.
- [SDR UPS06446566](https://openairdocs.org/sdr/UPS06446566.md): Floorbeam · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor Beam
  > BS 1200 LBL 78 TIE DOWN FTG FLANGE FOUND CORRODED. CORROSION BLEND OUT 0.037" BY 3/4" BY 1" EXCEED SRM LIMIT. TIE DOWN FTG REPLACED AS PER MM 53-42-00.
- [SDR UPS06446555](https://openairdocs.org/sdr/UPS06446555.md): Cargo Track · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage, Seat/Cargo Attach Fittings
  > BS 2160 RBL33 TIE DOWN FTG AFT FLANGE FOUND CORRODED. CORROSION BLEND OUT 0.020" BY 0.5" BY 0.5" EXCEED SRM LIMIT. TIE DOWN FITTING REPLACED AS PER MM 53-42-00.
- [SDR UPS06446554](https://openairdocs.org/sdr/UPS06446554.md): Cargo Track · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage, Seat/Cargo Attach Fittings
  > BS 1960 LBL 76-80 TIE DOWN FTG FLANGE FOUND CORRODED. CORROSION BLEND OUT 0.007" BY 0.5" BY 1" EXCEED SRM LIMIT. TIE DOWN FTG REPLACED AS PER MM 20-51-01.
- [SDR UPS06446553](https://openairdocs.org/sdr/UPS06446553.md): Floorbeam · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor Beam
  > BS 2060 RBL98-116 FLOORBEAM LWR FACE FOUND CORRODED. CORROSION BLEND OUT 0.035" BY 1.5" BY 2" EXCEED SRM LIMIT. FLOORBEAM REPAIRED AS PER SRM 51-40-04 FIG 1 JUST AT BS 2060 RBL40 TO MOST RT O/B.
- [SDR UPS06446552](https://openairdocs.org/sdr/UPS06446552.md): Reveal · cracked · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > BS 2231 STR 24L FOUND 1 HOLE CRACKED AT AFT FRAME INNER CHORD AS MARKED, CRACK LENGTH 3/4" AT REVEAL, 0.030"/0.040" AT CHORD. CABIN BS 2231 AFT FRAME INNER CHORD REPAIRED AT BETWEEN S23L TO STR 26L AREA AS PER SRM 53-10-04 FIG 115 AND REVEAL PANEL REPAIRED AS
- [SDR UPS06446550](https://openairdocs.org/sdr/UPS06446550.md): Floorbeam · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor Beam
  > BS 2100 RBL 98-116 FLOORBEAM FOUND HEAVY CORROSION. CORROSION BLEND OUT 0.060" BY 2" BY 3" EXCEED SRM 53-10-01 FIG 1 LIMITS. BS 2100 RBL 22" TO RT MOST O/B FLOORBEAM REPAIRED AS PER SRM 51-40-04 FIG 1.
- [SDR UPS06446526](https://openairdocs.org/sdr/UPS06446526.md): Floorbeam · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor Beam
  > BS 2240 LBL 33 TO 75 FLOORBEAM FOUND CORODED. CORROSION BLEND OUT 0.064" BY 2" BY 3" EXCEED SRM 53-10-01 FIG 1 LIMITS, M/D BS 2240 LBL 13 TO LT O/B FLOORBEAM REPAIRED AS PER SRM 51-40-04 FIG 1.
- [SDR UPS06446525](https://openairdocs.org/sdr/UPS06446525.md): Floorbeam · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor Beam
  > BS 2280 LBL 74-78 FLOORBEAM FOUND CORODED. CORROSION BLEND OUT 0.062" BY 2" BY 2" EXCEED SRM 53-10-01 FIG 1 LIMITS, M/D - BS 2280 LBL 46 TO MOST LT O/B FLOORBEAM REPAIRED AS PER SRM 51-40-04 FIG 1.
- [SDR UPS06446523](https://openairdocs.org/sdr/UPS06446523.md): Floor Support · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > FOUND BS 2020-2040 RBL 116 LONGITUDINAL FLOOR SUPPORT CORRODED. CORROSION BLEND OUT 0.016" BY 1" BY 10" EXCEED SRM 53-10-01 FIG 1 LIMITS, FLOOR SUPPORT REPAIRED AS PER SRM 51-40-04 FIG 2.
- [SDR UPS06446522](https://openairdocs.org/sdr/UPS06446522.md): Floor Support · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > BS 2080-2100 LBL 98-110 LONGITUDINAL FLOOR SUPPORT FOUND CORROSION. CORROSION BLEND OUT 0.052" BY 1/2" BY 1/2" EXCEED SRM 53-10-01 FIG 1 LIMITS, FLR SUPPORT REPAIRED AS PER SRM 51-40-04 FIG 2.
- [SDR UPS06446521](https://openairdocs.org/sdr/UPS06446521.md): Floor Support · corroded · Mar 14, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > FOUND BS 1920-2020 LBL 116 LONGITUDINAL FLOOR SUPPORT FOUND CORRODED. CORROSION BLEND OUT 0.016" BY 1/2" BY 20" EXCEED SRM 53-10-01 FIG 1 LIMITS, FLOOR SUPPORT REPLACED AS PER SRM 51-10-01 P9 AND INSTALLED AS PER SRM 51-30-02.
- [SDR UPS06446636](https://openairdocs.org/sdr/UPS06446636.md): Support · cracked · Mar 13, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > FX REAR BODY FAIRING SUPPORT FRAME FOUND CRACKED AT LT STA 1480 WL 118, CRACK LENGTH 3/8". FUSELAGE BS 1480 LT BODY FAIRING SUPPORT FRAME REPAIRED AS PER SRM 51-40-03 FIG 1.
- [SDR UPS06446612](https://openairdocs.org/sdr/UPS06446612.md): Support · corroded · Mar 13, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > FX KEEL BEAM PANEL SUPPORT LOWER SURFACE FOUND CORROSION AT STA 1460 RBL 16 TO LBL 16 LWR SURFACE. CORROSION BLEND OUT 0.050" BY 1.5" BY 20" EXCEED SRM 53-10-01 FIG 1 LIMITS. THE SUPPORT REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.
- [SDR UPS06446575](https://openairdocs.org/sdr/UPS06446575.md): Support · corroded · Mar 13, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > KEEL BEAM PANEL SUPPORT LOWER SURFACE FOUND CORROSION AT STA 1437 RBL 16" TO LBL 16". CORROSION BLEND OUT 0.022" BY 1" BY 20" EXCEED SRM 53-10-01 FIG 1 LIMITS, THE SUPPORT REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.
- [SDR UPS06446573](https://openairdocs.org/sdr/UPS06446573.md): Support · corroded · Mar 13, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > KEEL BEAM PANEL SUPPORT LOWER SURFACE FOUND CORROSION AT STA 1395 RBL 4 TO RBL 16. CORROSION BLEND OUT 0.036" BY 1.5" BY 10" EXCEED SRM LIMIT. SUPPORT REPLACED AS PER SRM 51-10-01 PG 9 AND INSTALLED AS PER SRM 51-30-02.
- [SDR UPS06446570](https://openairdocs.org/sdr/UPS06446570.md): Support · corroded · Mar 13, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > KEELBEAM PANEL SUPPORT LOWER SURFACE FOUND CORROSION AT BS 1427 RBL 16 TO LBL16. CORROSION BLEND OUT 0.050" BY 2" BY 20" EXCEED SRM LIMIT. SUPPORT REPAIRED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.
- [SDR UPS06446498](https://openairdocs.org/sdr/UPS06446498.md): Web · cracked · Mar 13, 2006 · N681UP · Boeing 747121 · Fuselage Main, Structure
  > INSPECTION TYPE:C NWW, TOP PANEL WEB BS 269 LBL10 CRACK INDICATION FOUND APPROX 1" LENGTH. NWW TOP PANEL WEB REPAIRED AT BS266-277 LBL5-15 AREA AS PER SRM 53-10-04 FIG 119.
- [SDR UPS06446485](https://openairdocs.org/sdr/UPS06446485.md): Frame · cracked · Mar 13, 2006 · N681UP · Boeing 747121 · Fuselage Main, Frame
  > INSPECTION TYPE:C FX REAR BODY FAIRING SUPPORT FRAME FOUND CRACKED AT RT STA 1480 WL118, CRACK LENGTH 7/16". FX BS1480 BODY FAIRING SUPPORT FRAME REPAIRED AS PER SRM 51-40-03 FIG 1 AT LT WL118.
- [SDR UPS06446472](https://openairdocs.org/sdr/UPS06446472.md): Support · cracked · Mar 13, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > INSPECTION TYPE:C NWW LT SIDEWALL PANEL BS305 WL150 1EA FASTENERS HOLE SUPPORT CRACK, CRACK LENGTH 1/16". NWW LHS SIDEWALL PANEL REPAIRED AT BS302-310.5 WL143-156 AREA AS PER SRM 53-10-04 FIG116 SUBSEQUENT INSPECTION ARE NECESSARY FOR CATEGORY B REPAIR REFER
- [SDR UPS06446596](https://openairdocs.org/sdr/UPS06446596.md): Cargo Track · corroded · Mar 12, 2006 · N681UP · Boeing 747121 · Fuselage, Seat/Cargo Attach Fittings
  > BS 1640-1660 RBL 11 TIE DOWN TRACK I/B FLANGE FOUND CORRODED. CORROSION BLEND OUT 0.024" BY 3/4" BY 1.5" EXCEED SRM LIMIT. BS 1620 TO BS 1750 RBL 11 TRACK REPAIRED AS PER SRM 53-10-05 FIG14 REFER NRC5933 FOR WORKING DETAIL.
- [SDR UPS06446595](https://openairdocs.org/sdr/UPS06446595.md): Floor Support · corroded · Mar 12, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous Structure
  > BS 1540-1580 LBL116 LONGITUDINAL FLOOR SUPPORT CORRODED. CORROSION BLEND OUT 0.055" BY 0.25" BY 1" EXCEED SRM LIMIT. FLOOR SUPPORT REPAIRED AS PER SRM 51-40-04 FIG 2 REFER NRC6412 FOR WORKING DETAIL.

Next page: https://openairdocs.org/deregistered/N681UP-2011-12-08/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N681UP' AND deregistration_id = 'N681UP-2011-12-08'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N681UP-2011-12-08/reports

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.