SDR SWAA2020062988367

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
Condition: Corroded
Location: Fuselage
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

NOSE GEAR BAY, LEFT AFT ACCESS HOLE, 3 INCHES FWD OF BS 294, STRINGER 23L, WL 165, INTERCOSTAL HAD CORROSION ON UPPER FACE. REMOVED CORROSION, ORIG 'T' .050', REMAINING .036', LOSS OF .014'. FOUND TO BE OUT OF LIMITS. REMOVED & REPLACED THE INTERCOSTAL.

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