# SDR 99ZZZX3668

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N372ES
- Make and model: Cessna 172R
- Registry model: [Cessna 172R](https://openairdocs.org/model/cessna-172r) (OpenAirDocs)
- Aircraft serial: 17280053
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Firewall
- Part number: 05530311
- Condition: Cracked
- Location: Fuselage
- 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/99ZZZX3668

## Discrepancy

AIRCRAFT IN SHOP FOR S/B WORK.  FOUND FIREWALL HAD BEEN REPAIRED AT COWL MOUNTS.  FIRST MOUNT ON RIGHT AND LEFT SIDE, ON LOWER HALF OF FIREWALL.  SUBMITTER STATED 3 OUT OF 4 OF 172R'S HAVE BEEN CRACKED.

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