# SDR SWAA2024022750377

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2024
- Submitted: February 27, 2024
- Operation: Air carrier
- Aircraft: [N424WN](https://openairdocs.org/aircraft/N424WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29828
- Aircraft time: 71,917 hours, 42,688 cycles
- System (JASC): [7160 · Engine Air Intake System](https://openairdocs.org/jasc/7160)
- Part: Fastener
- Part number: UNKNOWN
- Condition: Cracked
- Location: Nr 1 Inlet
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024022750377

## Discrepancy

#1 ENGINE INLET HAS 3EA FASTENERS WITH CRACKED HEADS AT THE 10:00 SPLICE IN THE OUTER LIP SKIN: REQUIRES REPLACMENT OF INLET ASSY.<[01] UPDATED PARTS;[02] REMOVED AND REPLACED #1 ENG INLET COWL IAW AMM 71-11-01-400-802-F00<BR><BR>CAL TOOL<BR>T/W ID:ATS2321 DUE:06/24<BR>T/W ID:ATS2686 DUE:08/24;[03] VERIFIED;[04] VERIFIED CORRECTIVE ACTION 2;[05] REMOVED AND REPLACED #1 ENGINE INLET COWL AND PERFORMED INSTALLATION TEST GOOD PER AMM 71-11-01;[06] VERIFIED CORRECTIVE ACTION STEP 5. TASK CARD COMPLETE.

---
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.