# Service difficulty reports that cite it: Boeing SB 727-53-0129

A list on [Boeing SB 727-53-0129](https://openairdocs.org/service-documents/boeing/sb-727-53-0129.md).

Newest first, with the revision each cites, as OpenAirDocs read it from the records’ text. OpenAirDocs read these citations from the records’ text, so one can be misread: check it against the record. A newer revision may exist that no record cites.

- [SDR GAI2007F00000](https://openairdocs.org/sdr/GAI2007F00000.md): Torque Box · Boeing 727214 · Apr 27, 2007 · N750US · No revision named
  > DURING INSPECTION IT WAS DISCOVERED THAT THE AFT AIRSTAIRS WOULD NOT TRAVEL TO THE FULLY CLOSED POSITION. FURTHER INSPECTION FOUND A CRACK IN SECTION 48 LOWER AFT TORQUE BOX BY THE AIRSTAIR ACTUATOR F
- [SDR DHL2006745533](https://openairdocs.org/sdr/DHL2006745533.md): Support Fitting · Boeing 727224 · Sep 9, 2006 · N745DH · No revision named
  > REF ASTAR N/R 56236. AFT STAIR RT WEEL AREA BS 1263 TORQUE BOX ANGLE CRACK INDICATION, LWR OF ACTUATOR FITTING SUPPORT. REMOVED FASTENERS AND SHIM AT BS 1263, IAW SRM 51-30-2. PERFORMED HFEC IAW D6-48
- [SDR C1HA200581012](https://openairdocs.org/sdr/C1HA200581012.md): Stiffener · Boeing 7272S7 · Sep 12, 2005 · N681CA · Revision 5
  > U-CHANNEL SUPPORT IS CRACKED ON AFT SIDE OF WEB INSIDE OF RT LOWER TORQUE BOX, STA 1263 + 10 IN. REMOVED AND REPLACED DAMAGED BEAM P/N 65-17518-8, PO 531836 AT RT LWR TORQUE BOX AT ACTUATOR SUPPORT FI
- [SDR C1HA200581013](https://openairdocs.org/sdr/C1HA200581013.md): Angle · Boeing 7272S7 · Sep 12, 2005 · N681CA · Revision 5
  > L-ANGLE SUPPORT IS CRACKED AT UPPER INBOARD CORNER OF RIGHT LOWER TORQUE BOX, STA 1263 + 10 INCHES. REMOVED AND REPLACED DAMAGED ANGLE P/N 65C13874-4 PO 3146138 AND FILLER P/N 65C13874-5 PO 3146132 AT
- [SDR C1HA200581011](https://openairdocs.org/sdr/C1HA200581011.md): Channel · Boeing 7272S7 · Sep 9, 2005 · N681CA · Revision 5
  > U-CHANNEL SUPPORT IS CRACKED ON FWD SIDE OF WEB INSIDE OF RIGHT LOWER TORQUE BOX, STA 1263 + 10 INCHES. REMOVED AND REPLACED DAMAGED GUSSET P/N 69-67881-1 PO 5070544 AND STIFFENER P/N 65-17518-15 PO 5
- [SDR DHL2005746529](https://openairdocs.org/sdr/DHL2005746529.md): Support · Boeing 727224 · Aug 7, 2005 · N746DH · No revision named
  > AFT AIRSTAIR RT LWR TORQUE BOX HORIZONTAL SUPPORT IS CRACKED AT STA 1263 RBL 18 NDT VERIFIED. REMOVED CRACKED EXISTING REPAIR IAW B727 SRM 51-30-2. FABBED NEW ANGLE REPAIR MAT 15-5 PH SS.063 PO 31572
- [SDR DHL2005746512](https://openairdocs.org/sdr/DHL2005746512.md): Angle · Boeing 727224 · Jul 5, 2005 · N746DH · No revision named
  > AFT AIRSTAIRS RT TORQUE BOX ACTUATOR ANGLE SUPPORT FITTING STRUCTURE IS CRACKED ALONG RADIUS. REMOVED I/B WEB DOUBLER AND ANGLE AT AFT AIRSTAIR TORQUE BOX AREA IAW B727 S/B 727-53-0129. DRILLED, INSTA
- [SDR DHL2005740523](https://openairdocs.org/sdr/DHL2005740523.md): Torque Box · Boeing 7272Q9 · Mar 24, 2005 · N740DH · Revision 5
  > RT AFT AIRSTAIR TORQUE BOX AT VENTRAL STAIR ACTUATOR SUPPORT REPAIR IS CRACKED AND DAMAGED AND WEB IS IMPROPERLY INSTALLED BS 1253 TO 1273. REPAIRED RT AFT AIRSTAIR TORQUE BOX AT VENTRAL STAIR ACTUATO
- [SDR DL72E020526](https://openairdocs.org/sdr/DL72E020526.md): Gusset · Boeing 727247 · May 9, 2002 · N830WA · No revision named
  > INSPECTION OF THE RT TORQUE BOX STRUCTURE OF THE VENTRAL STAIRWAY PER BAC S/B 727-53-0129 REVEALED A CRACK IN THE FS 1273 HORIZONTAL BEAM UPPER GUSSET. THE CRACKED PART WAS REMOVED AND REPLACED WITH A
- [SDR SQ7A092002](https://openairdocs.org/sdr/SQ7A092002.md): Structure · Boeing 727251 · Feb 2, 2002 · N282 · No revision named
  > YXD - DURING SCHEDULED MAINTENANCE THE UPPER CHORD WAS FOUND CRACKED BETWEEN BS 1263 & 1273 JUST BELOW THE AFT AIRSTAIR ACTUATOR. REPAIRED THE CHORD PER S/B 727-53-0129.
- [SDR DL72L020035](https://openairdocs.org/sdr/DL72L020035.md): Beam · Boeing 727232 · Jan 10, 2002 · N508DA · No revision named
  > INSPECTION OF THE RT VENTRAL STAIRWAY TORQUE BOX STRUCTURE PER AD 94-07-08 AND BAC S/B 727-53-0129 REVEALED TYPICAL CRACKS IN THE FS 1263 AND 1273 HORIZONTAL BEAM CAPS. THE CRACKED MEMBERS WERE REMOVE
- [SDR DL72S011935](https://openairdocs.org/sdr/DL72S011935.md): Beam · Boeing 727232 · Dec 12, 2001 · N546DA · No revision named
  > INSPECTIONS OF THE VENTRAL STAIRWAY OPENING TORQUE BOX STRUCTURE REVEALED TYPICAL CRACKS IN THE UPPER BEAM CAPS OF THE FS 1263 AND 1273 BEAMS ON THE RT SIDE. THE CRACKS ARE TYPICAL OF BAC S/B 727-53-0
- [SDR DL72S011333](https://openairdocs.org/sdr/DL72S011333.md): Beam · Boeing 727232 · Aug 14, 2001 · N538DA · No revision named
  > INSPECTION OF THE VENTRAL STAIRWAY TORQUE BOX STRUCTURE PER BAC S/B 727-53-0129 AND AD 94-07-08 REVEALED TYPICAL CRACKS IN THE RT HORIZONTAL BEAM AT FS 1263 & 1273. THE CRACKED STRUCTURE WAS REMOVED A
- [SDR DL72L011151](https://openairdocs.org/sdr/DL72L011151.md): Frame · Boeing 727232 · Jul 11, 2001 · N509DA · No revision named
  > INSPECTION OF THE RT TORQUE BOX STRUCTURE FOR THE VENTRAL STAIRWAY PER BAC S/B 727-53-0129 AND AD 94-07-08 REVEALED A CRACK IN THE INBD LONGITUDINAL UPPER CHORD AND A CRACK IN THE GUSSET AND BEAM AT F
- [SDR DL72E011105](https://openairdocs.org/sdr/DL72E011105.md): Beam · Boeing 727247 · Jul 2, 2001 · N282WA · No revision named
  > INSPECTION OF THE RT TORQUE BOX OF THE VENTRAL STAIRWAY OPENING PER AD 94-07-08 AND BAC SB 727-53-0129 REVEALED A.5 INCH LONG CRACK IN THE UPPER HORIZONTAL BEAM AT FS 1263. THE DAMAGED PART WAS REMOV
- [SDR DL72L010916](https://openairdocs.org/sdr/DL72L010916.md): Beam · Boeing 727232 · Jun 5, 2001 · N501DA · No revision named
  > INSPECTION OF THE RT VENTRAL STAIRWAY TORQUE BOX PER BAC S/B 727-53-0129 AND AD 94-07-08 REVEALED A TYPICAL CRACK IN THE UPPER AFT HORIZONTAL BEAM AT FS 1273. THE CRACKED PART WAS REMOVED AND A NEW PA
- [SDR DL72L010836](https://openairdocs.org/sdr/DL72L010836.md): Beam · Boeing 727232 · May 23, 2001 · N504DA · No revision named
  > INSPECTION OF THE RT TORQUE BOX STRUCTURE OF VENTRAL STAIRWAY OPENING REVEALED A 3 INCH CRACK IN THE UPPER HORIZONTAL BEAM AT FS 1263. THE CRACKED PART WAS REMOVED AND A NEW PART INSTALLED PER ER/A 38
- [SDR DL72S010778](https://openairdocs.org/sdr/DL72S010778.md): Beam · Boeing 727232 · May 15, 2001 · N527DA · No revision named
  > THE RT TORQUE BOX FOR THE AFT VENTRAL STAIRWAY OPENING WAS FOUND WITH A TYPICAL CRACK IN THE UPPER HORIZONTAL BEAM AT FS 1263. THE CRACK IS TYPICAL OF BAC S/B 727-53-0129. THE CRACKED PART WAS REMOVED
- [SDR DL72W010354](https://openairdocs.org/sdr/DL72W010354.md): Gusset · Boeing 727247 · Feb 28, 2001 · N295WA · No revision named
  > INSPECTION OF THE RT TORQUE BOX OF THE VENTRAL STAIRWAY REVEALED A 2 INCH CRACK IN A GUSSET AT FS 1263. THE CRACK IS TYPICAL OF BAC S/B 727-53-0129. THE CRACKED GUSSET WAS REPLACED PER THE REQUIREMENT
- [SDR DL72S002489](https://openairdocs.org/sdr/DL72S002489.md): Beam · Boeing 727232 · Dec 21, 2000 · N533DA · No revision named
  > FUSELAGE / VENTRAL STAIRWAY OPENING / RT TORQUE BOX / FS 1263: CRACKED BEAM AND GUSSET INSPECTIONS OF THE RT VENTRAL STAIRWAY TORQUE BOX STRUCTURE REVEALED A.5" CRACK IN THE UPPER HORIZONTAL BEAM AN
- [SDR DL72S001675](https://openairdocs.org/sdr/DL72S001675.md): Beam · Boeing 727232 · Aug 28, 2000 · N541DA · No revision named
  > THE RT VENTRAL STAIR CUTOUT TORQUE BOX FWD, UPPER HORIZONTAL BEAM AT STA 1263 WAS FOUND WITH AN APPROX 2 INCH CRACK. ERA 378352-14AD REPLACED THE DAMAGED PART AS PER S/B 727-53-0129. THE DAMAGE WAS FO
- [SDR DL72L001638](https://openairdocs.org/sdr/DL72L001638.md): Beam · Boeing 727232 · Aug 23, 2000 · N503DA · No revision named
  > THE RT TORQUE BOX OF THE VENTRAL STAIRWAY WAS FOUND WITH A TYPICAL CRACK IN THE FS 1263 UPPER HORIZONTAL BEAM. THE CRACK IS TYPICAL OF BAC S/B 727-53-0129. THE CRACKED PIECE OF STRUCTURE WAS REMOVED A
- [SDR DL72W990710](https://openairdocs.org/sdr/DL72W990710.md): Web · Boeing 727247 · Mar 31, 1999 · N2819W · No revision named
  > A TYPICAL CRACK WAS FOUND IN THE INBOARD VERTICAL WEB OF THE RT AFT ENTRY DOOR TORQUE BOX AT FS 1271. THE CRACK WAS REPAIRED PER BAC S/B 727-53-0129 AND DOCUMENTED PER ER/A 367089-14AD.
- [SDR DL72L990161](https://openairdocs.org/sdr/DL72L990161.md): Chord · Boeing 727232 · Jan 23, 1999 · N514DA · No revision named
  > THE I/B UPPER CHORD OF THE RT VENTRAL STAIRWAY TORQUE BOX WAS FOUND WITH A 1 INCH TYPICAL CRACK AT FS 1273. THE DAMAGED SECTION OF CHORD WAS REMOVED AND A NEW SECTION SPLICED PER BAC S/B 727-53-0129.
- [SDR DL72S980797](https://openairdocs.org/sdr/DL72S980797.md): Angle · Boeing 727232 · Apr 10, 1998 · N520DA · No revision named
  > THE GUSSET ANGLE AT FS 1273 ON THE RT VENTRAL STAIRWAY TORQUE BOX WAS FOUND WITH A TYPICAL CRACK. THE GUSSET ANGLE WAS REPLACED WITH A NEW PART PER BAC S/B 727-53-0129 AND DOCUMENTED PER ER/A 364503-1
- [SDR DL72E980743](https://openairdocs.org/sdr/DL72E980743.md): Channel · Boeing 727247 · Apr 2, 1998 · N282WA · No revision named
  > THE AFT CHANNEL OF THE VENTRAL STAIRWAY TORQUE BOX AT FS 1263 WAS FOUND WITH A TYPICAL CRACK. THE DAMAGED PART WAS REMOVED AND REPLACED WITH A NEW PART PER THE REQUIREMENTS OF BAC S/B 727-53-0129 AND
- [SDR DL72S980527](https://openairdocs.org/sdr/DL72S980527.md): Channel · Boeing 727232 · Mar 5, 1998 · N490DA · No revision named
  > THE FS 1263 UPPER CHANNEL ON THE LT AFT VENTRAL STAIRWELL TORQUE BOX WAS FOUND WITH A 1.5 INCH CRACK IN THE TYPICAL LOCATION PER S/B 727-53-0129. THE DAMAGED CHANNEL WAS REPLACED PER THE S/B AND DOCUM
- [SDR DL72K972719](https://openairdocs.org/sdr/DL72K972719.md): Structure · Boeing 727232 · Dec 23, 1997 · N417DA · No revision named
  > THE RT TORQUE BOX STRUCTURE IN THE VENTRAL STAIRWAY WAS FOUND TO THREE CRACKED MEMBERS. THE FS 1263 BEAM WAS FOUND WITH A 1.0 CRACK AND THE FS 1273 BEAM AND GUSSET WERE FOUND WITH 1.0 CRACKS. THE DAMA
- [SDR DHL9774207C](https://openairdocs.org/sdr/DHL9774207C.md): Angle · Boeing 727225 · Sep 16, 1997 · N742DH · No revision named
  > AT C-CHECK, AFT AIRSTAIRS RT SIDE TORQUE BOX STIFFENER ANGLE CRACKED JUST AFT OF STAIRS ACTUATOR FITTING STA 1273. REMOVED FITTING, REMOVED RT AFT AIRSTAIRS VERTICAL WEB AT STA 1153 TO 1183. REPLACED
- [SDR DL72S970174](https://openairdocs.org/sdr/DL72S970174.md): Transverse Beam · Boeing 727232 · Jan 24, 1997 · N541DA · No revision named
  > THE AFT CHANNEL (P/N 65-17517-37) AND THE UPPER FORWARD ANGLE (P/N 65-17517-38) OF THE TRANSVERSE BEAM AT STA 1263 WERE FOUND CRACKED. SIMILAR DAMAGE WAS FOUND AT STA 1273 WHERE THE AFT GUSSET ANGLE (
- [SDR AALA961179](https://openairdocs.org/sdr/AALA961179.md): Tq Box Web · Boeing 727223 · Aug 5, 1996 · N709AA · No revision named
  > TUL - FOUND 2 INCH CRACK IN RIGHT TORQUE BOX WEB BELOW AIR STAIR ACTUATOR. INSTALLED WEB REPAIR ON TORQUE BOX PER SB 727-53-0129 DATED 11-7-91 FIG 1-4. (M)
- [SDR SCNA96149](https://openairdocs.org/sdr/SCNA96149.md): Attach Angles · Boeing 727225 · May 21, 1996 · N282SC · Revision 4
  > DURING HEAVY MAINTENANCE VISIT, CRACKS WERE FOUND IN THE AFT VENTRAL STAIRWAY RT TORQUE BOX ATTACH ANGLES. REMOVED AND REPLACED ANGLES IN ACCORDANCE WITH SRM 51-30 AND SB 727-53-0129 REVISION 4, PART
- [SDR DL72S960392](https://openairdocs.org/sdr/DL72S960392.md): Web · Boeing 727232 · Dec 2, 1995 · N409DA · No revision named
  > DURING INSPECTION PER S/B 727-53-0129 IN ACCORDANCE WITH AD 94-07-08, THE INBD WEB WAS CUT TO THE BOTTOM EDGE OF THE WEB, THUS SEVERING. ALSO, SEVERAL OBLONG HOLES IN THE WEB WERE FOUND. ACCOMPLISHED
- [SDR DL72K953627](https://openairdocs.org/sdr/DL72K953627.md): Vert Stiffener · Boeing 727232 · Sep 1, 1995 · N410DA · Revision 4
  > DURING CV-2 IN TPA, THE RT TORQUE BOX VERTICAL STIFFENER ANGLE AT STA 1263 WAS FOUND CRACKED. THE VERTICAL STIFFENER ANGLE WAS REPLACED IN ACCORDANCE WITH S/B 727-53-0129 REV 4.
- [SDR DL72W953562](https://openairdocs.org/sdr/DL72W953562.md): Angle · Boeing 727247 · Aug 24, 1995 · N293WA · Revision 4
  > DURING LETTER CHECK IN TPA, A CRACK WAS FOUND IN THE ANGLE OF BOTH THE FWD AND AFT TRANSVERSE BEAMS OF THE RT TORQUE BOX AT FS 1273. THE DAMAGED PARTS WERE REPLACED IN ACCORDANCE WITH S/B 727-53-0129
- [SDR DL72S953563](https://openairdocs.org/sdr/DL72S953563.md): Chord · Boeing 727225 · Aug 23, 1995 · N8875Z · Revision 4
  > DURING LETTER CHECK IN TPA, THE UPPER CHORD AT RBL 20 RUNNING FORE/AFT IN THE VENTRAL STAIRWAY TORQUE BOX WAS FOUND CRACKED AT STA 1273. THE INBOARD END OF THE FORWARD SUPPORT ANGLE AT STA 1273 HAS AN
- [SDR DL72S953552](https://openairdocs.org/sdr/DL72S953552.md): Angle · Boeing 727232 · Aug 19, 1995 · N420DA · Revision 4
  > AT LETTER CHECK IN TPA, THE UPPER CHORD AT RBL 20 RUNNING FORE/AFT IN THE AFT VENTRAL STAIRWAY TORQUE BOX WAS FOUND CRACKED AT STA 1273. THE INBOARD END OF THE FLOOR SUPPORT ANGLE AT STA 1273 HAD AN A
- [SDR DL72L952919](https://openairdocs.org/sdr/DL72L952919.md): Angle · Boeing 727232 · Jul 1, 1995 · N510DA · Revision 4
  > DURING LETTER CHECK, A 1 INCH CRACK WAS FOUND IN THE AFT TRANSVERSE BEAM OF THE RT TORQUE BOX AT FS 1263. REPLACED DAMAGED PART IN ACCORDANCE WITH S/B 727-53-0129, REV. 4.
- [SDR DL72S952596](https://openairdocs.org/sdr/DL72S952596.md): Channel · Boeing 727232 · May 18, 1995 · N525DA · Revision 4
  > DURING LETTER CHECK INSPECTION, THE RT TORQUE BOX UPPER TRANSVERSE BEAM CHANNEL AT FS 1263 WAS FOUND CRACKED. IN ACCORDANCE WITH BAC S/B 727-53-0129 REV 4, THE CHANNEL WAS REPLACED.
- [SDR DL72W951108](https://openairdocs.org/sdr/DL72W951108.md): Beam · Boeing 727247 · Mar 11, 1995 · N2819W · Revision A
  > DURING LETTER CHECK INSPECTION, THE RT UPPER TORQUE BOX UPPER AFT TRANSVERSE BEAM AND GUSSET ANGLE AT FS 1273 WERE FOUND CRACKED. PER BAC S/B 727-53-0129, REV A, BOTH THE BEAM AND GUSSET ANGLE WERE RE
- [SDR DL72S950446](https://openairdocs.org/sdr/DL72S950446.md): Torque Box · Boeing 727232 · Jan 20, 1995 · N531DA · Revision 4
  > DURING LETTER CHECK INSPECTION, THE UPPER CHORD AT RBL 20 RUNNING FORE/AFT IN THE AFT VENTRAL STAIRWAY TORQUE BOX WAS FOUND CRACKED AT STA. 1273. IN ORDER TO GAIN ACCESS FOR REPAIR OF THE CHORD, THE I

## The whole list in SQL

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

```sql
SELECT s.sdr_id, s.difficulty_date, s.aircraft_make, s.aircraft_model, s.part_name, string_agg(DISTINCT c.revision, ', ' ORDER BY c.revision) AS revisions,
  bool_or(c.incorporated_by_reference) AS incorporated_by_reference, bool_or(c.in_regulatory_text) AS in_regulatory_text
FROM 'https://openairdocs.org/data/latest/service_document_citation.parquet' c JOIN 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' s ON s.sdr_id = c.record_id
WHERE c.document_id = 'boeing/sb-727-53-0129' AND c.record_type = 'faa_service_difficulty_report'
GROUP BY ALL
ORDER BY max(c.record_date) DESC
```

This list as a web page: https://openairdocs.org/service-documents/boeing/sb-727-53-0129/reports

---
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