SDR SWAA2021101117567

Service difficulty report · None · Boeing 7377H4

Difficulty date: September 13, 2021
Submitted: October 11, 2021
Operation: Air carrier
Aircraft: N760SW
Make and model: Boeing 7377H4
Aircraft serial: 27874
Aircraft time: 73,521 hours, 43,731 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: None
Condition: Corroded
Location: Fwd Cargo Bay
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

CORRODED WEB, BS 420 - 440, WL 154.5, RBL 21.80. NO ALLOWABLE DAMAGE IN SRM. REMOVED THE WEB IAW SRM 51-40-02. DRILLED A NEW WEB IAW SRM 51-40-05 AND APPLIED PROTECTIVE TREATMENT IAW SRM 51-20-01. INSTALLED THE NEW WEB IAW SRM 51-40-02, AND DWG 143A0080 REV-. REPLACED THE WEB IAW SRM 51-40-02, 51-10-02, ITEM 9 AND DWG 143A0080 REV-.

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