# SDR UPS02439056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2002
- Submitted: August 14, 2002
- Operation: Air carrier
- Aircraft: [N526UP](https://openairdocs.org/aircraft/N526UP), registered now
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21937
- Aircraft time: 79,834 hours, 15,049 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Fitting
- Condition: Cracked
- Location: Bs1480
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS02439056

## Discrepancy

INSPECTION TYPE:C RH BS 1480 B/H #3 HOLE CRACK FOUND AT EXTENSION FITTING APPROX 1/16"  LONG RUNNING FWD & 0.040" LONG RUNNING AFT. REFER ATTACHED SKETCH. (STR R33 TO R34).     RH BS 1480 B/H #3 HOLE AT EXTENSION FITTING REAMED TO 0.625" AND BUSHING INSTALLED AS PER SB 747-53A2390.AS PER NTM PART 6 51-00-00 FIG 1

## Service documents this report cites (1) (OpenAirDocs)

Manufacturers' service documents named in its text, read by OpenAirDocs, so check each against the text.

- [Boeing ASB 747-53A2390.AS](https://openairdocs.org/service-documents/boeing/747-53a2390-as.md). Cited as "SB 747-53A2390.AS"

---
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.
