# SDR DHL2006770511

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2006
- Submitted: October 18, 2006
- Operation: Air carrier
- Aircraft: N770AT
- Make and model: Boeing 727-2B7
- Registry model: [Boeing 727-2B7](https://openairdocs.org/model/boeing-727-2b7) (OpenAirDocs)
- Aircraft serial: 21953
- Aircraft time: 65,520 hours, 38,347 cycles
- Engine: Pwa JT8D17A
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Bs 660 S28l
- 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/DHL2006770511

## Discrepancy

DISCREPANCY: FORWARD CARGO COMPARTMENT, BS 660, STR 28L, CORROSION ON STR 28L. REMOVED CORROSION AT STR, MATERIAL LOSS IS .022, ORIGINAL MATERIAL THICKNESS .063 AND MATERIAL REMAINING .041. FOUND TO BE OUT OF LIMITS IAW B727 SRM 53-10-1 FIG.1. CUT OUT DAMAGED APPOX 16 INCH. FAB FILLER REPAIR WITH BAC 1498-144, 7075-T6, PO NR 623185 AND 2 SPLICES WITH BAC 1498-131-7075-T6 SIZE 10.375 INCH, PO NR 9003866 IAW SRM 53-10-2 FIG.9 AND 53-10-3 FIG.1.  TREATED AND PRIMED PARTS IAW SRM 51-10-2. INSTALLED PARTS AND REPAIR IAW SRM 53-10-3 FIG.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.