SDR SWAA2020060887632

Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date: May 17, 2020
Submitted: June 8, 2020
Operation: Air carrier
Aircraft: N479WN
Make and model: Boeing 7377H4
Aircraft serial: 33990
Aircraft time: 55,075 hours, 32,866 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
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 WEB, INTERCOSTAL LOCATED BETWEEN BS767 TO BS787, RBL9 AND WL148.5 AT AFT CARGO COMPARTMENT. REPLACED WEB, INTERCOSTAL AND FASTENERS LOC BS767 TO BS787, RBL9 AND WL148.5 AT AFT CARGO COMPARTMENT IAW SRM 51-10-02 ITEM 9 AND DRAWING 146A8130 REV B.

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