# Service difficulty reports that cite it: McCauley ASB 221

A list on [McCauley ASB 221](https://openairdocs.org/service-documents/mccauley/sb-221.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 97ZZZX2812](https://openairdocs.org/sdr/97ZZZX2812.md): Hub · Cessna 152 · Apr 17, 1997 · N6155Q · Revision B
  > FOUND CRACK APPROXIMATELY.626 INCH LONG,.025 INCH DEEP, TRAILING EDGE SIDE OF HUB OF NR 2 BLADE. AD 95-21-01 AND MCCAULEY SB 221B ADDRESSES THE HUB FRONT FACE AND BOLT HOLES. NO RE-WORK IS ALLOWED O

## 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 = 'mccauley/sb-221' 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/mccauley/sb-221/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, except the copies of manufacturers’ service documents, which belong to their rights holders.