# SDR DHL200072421C

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2000
- Submitted: April 12, 2000
- Operation: Air carrier
- Aircraft: N724DH
- Make and model: Boeing 727228
- Aircraft serial: 19862
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Condition: Chafed
- Location: Apu Bay
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL200072421C

## Discrepancy

AT C-CHECK, FOUND PLATE TO KEEL BEAM TOP SIDE UNDER THE APU LOWER SIDE IS CHAFED THROUGH BY THE APU.  REMOVED AND FABRICATED PLATE AT KEEL BEAM TOP SIDE UNDER THE APU LOWER SIDE.  TREATED AND PRIMED AREA AS PER SRM 51-30-2.  INSTALLED KEEL BEAM PANELS PER M/M 20-80-1.

---
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.