SDR SWAA2020032442735

Service difficulty report · Threshold · Boeing 7377AD

Difficulty date: February 25, 2020
Submitted: March 24, 2020
Operation: Air carrier
Aircraft: N798SW
Make and model: Boeing 7377AD
Aircraft serial: 28436
Aircraft time: 69,451 hours, 41,534 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Threshold
Part number: 146A8340
Condition: Corroded
Location: Fuselage
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

***CORROSION*** ACB DOOR THRESHOLD UPPER WEB BS 797-847, RBL 25, WL 156 REMOVED. AND REPLACEMENT ODB DOOR THRESHOLD UPPER WEB FROM R.B.L 25, W.L 156 - B.S. 797-847 IAW. 737-700 SRM 51-40-02-0G-0 AND. DWG. NO: 146A8340 ID: 0009 59826U 05MAR-20

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