# SDR DHL9972718C

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N727DH](https://openairdocs.org/aircraft/N727DH), registered now
- Make and model: Boeing 727228
- Aircraft serial: 20204
- System (JASC): [7110 · Engine Cowling System](https://openairdocs.org/jasc/7110)
- Part: Cowl
- Condition: Worn
- Location: Nr 1 Engine
- 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/DHL9972718C

## Discrepancy

AT C CHECK, NR 1 UPPER COWL I/B INT EDGE WORN AFT OF NR 2 U BOLT.  REMOVED FASTENERS AT NR 1 ENG UPPER COWL I/B INT AFT OF AT U BOLT PER B727 SRM 51-30-2, REWORKED AREA WITH DAMAGED MATERIAL PER SRM 54-10-1, INSTALLED REPAIR PER B727 SRM 51-30-2 USING STAINLESS STEEL 301 1/4H .020 11 X 4, TREATED AND PRIMED PER B727 SRM 51-10-2 NR 6358.

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