Service difficulty report · Web · Boeing 7377H4

Difficulty date
August 29, 2021
Submitted
September 21, 2021
Operation
Air carrier
Aircraft
N758SW
Make and model
Boeing 7377H4
Aircraft serial
27873
Aircraft time
74,045 hours, 43,671 cycles
Part
Web
Condition
Cracked
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

CRACK WEB - INTERCOSTAL LOCATED BETWEEN BS500C TO BS500D AT LEVEL STR26R FWD CARGO COMPARTMENT ; 2021-384502 / [01] REMOVED WEB INTERCOSTAL LOCATED BETWEEN BS500C TO BS500D AT LEVEL STR26R FWD CARGO COMPARTMENT IAW SRM 51-40-02 DUE TO NOT FOUND ALLOWABLE DAMAGE ON SRM; WEB INTERCOSTAL MUST BE REPLACED AND PERFORMED VISUAL INSPECTION ON AREA AND NOT FOUND DAMAGE.; [02] STEP 1 COMPLETE; [03] DRILLED NEW HOLES ON NEW INTERCOSTAL IAW B737-700 SRM 51-40-05; [04] APPLIED PROTECTIVE TREATMENT ON NEW HOLES OF NEW INTERCOSTAL IAW B737-700 SRM 51-20-01; OBTAINED OK TO INSTALL OF NEW INTERCOSTAL AND FASTENERS.; [05] STEP 3 AND 4 COMPLETED <BR>OK TO INSTALL GRANTED RII; [06] INSTALLED NEW INTERCOSTAL LOCATED BETWEEN STA 500C TO STA 500D FWD CARGO COMPARTMENT AND FASTENERS IAW SRM B737-700 51-40-02 AND DRAWING 143A7505 REV. A; [07] CERTIFIED STEP 6 RII; [08] REPLACED INTERCOSTAL LOCATED BETWEEN STA 500C TO STA 500D FWD CARGO COMPARTMENT AND FASTENERS IAW B737-700 SRM 51-10-02 AND DRAWING 143A7505 REV. A; [09] REPLACED INTERCOSTAL LOCATED BETWEEN STA 500C TO STA 500D FWD CARGO COMPARTMENT AND FASTENERS IAW B737-700 SRM 51-10-02 AND DRAWING 143A7505 REV. A RII

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