SDR SWAA2020062988337

Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date: May 29, 2020
Submitted: June 30, 2020
Operation: Air carrier
Aircraft: N928WN
Make and model: Boeing 7377H4
Aircraft serial: 36890
Aircraft time: 40,809 hours, 24,748 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 141A813199
Condition: Corroded
Location: Bs 344-351
Stage of operation: IN
How discovered: 9
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

E&E BAY, BS.344 - 351, STRINGER 23L INTERCOSTAL WAS CORRODED. REMOVED CORROSION, ORIG 'T' .063', REMAINING .025', LOSS OF .038', FOUND TO BE OUT OF LIMITS. REMOVED & REPLACED THE INTERCOSTAL IAW SRM 51-10-02-0G-0, 53-00-04-1A-1, AND AMM 51-21-91-620-802.

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