# SDR 99ZZZX2567

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N4118A
- Make and model: Cessna 172R
- Registry model: [Cessna 172R](https://openairdocs.org/model/cessna-172r) (OpenAirDocs)
- Aircraft serial: 17280629
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Firewall
- Part number: 0553031
- Condition: Cracked
- Location: Fuselage
- Part time: 298 hours
- 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/99ZZZX2567

## Discrepancy

C/W CESSNA SB 98-53-02.  FOUND FIREWALL CRACKED AT LOWER COWLING MOUNT BRACKET ADJACENT TO BATTERY BOX.  CRACK EXTENDED THROUGH INNER BRACKET RIVET HOLES APPROXIMATELY 2.75 INCHES IN LENGTH.  ALSO, FOUND LOWER COWL SHOCK MOUNTS, P/N J7444-36, TORN.  SUBMITTER STATED THIS AIRCRAFT SERIAL NUMBER DOES NOT FALL IN THE EFFECTIVITY RANGE OF THE SERVICE BULLETIN STATED ABOVE.

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