SDR SWAA2026060193622

Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date: April 28, 2026
Submitted: June 2, 2026
Operation: Air carrier
Aircraft: N8635F
Make and model: Boeing 7378H4
Aircraft serial: 60083
Aircraft time: 40,011 hours, 19,487 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Zone 100
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 WEB - INTERCOSTAL LOCATED BS 767 TO BS 794 AND S-25R, WL 156. AFT CARGO COMPARTMENT. REPLACED WEB - INTERCOSTAL LOCATED BS 767 TO BS 794 AND S-25R WL 156 AFT CARGO COMPARTMENT IAW SRM 51-40-02, SRM 51-10-02, ITEM 9, AND DWG 146A0081, SHEET 49, REV A.

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