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 BS400 TO BS420 AT LEVEL STR 26L FWD CARGO COMPARTMENT ; 2021-384485 / [01] REMOVED WEB LOCATED AT BS 400 TO BS 420 AT LEVEL STR 26L FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 DUE TO NO FOUND ALLOWABLE DAMAGE DATA ON SRM; WEB MUST BE REPLACED. AND PERFORMED A GENEREAL VISUAL INSPECTION ON ADJACENT AREA AND NO FOUND MORE DAMAGE IAW SRM B737-700 51-10-02; [02] OK TO INSTALL WEB AND FASTENERS LOCATED AT BS 400 TO BS 420 AT STR 26L AT FWD CARGO COMPARTMENT IS GRANTED; [03] STEP 1 COMPLETED.; [04] RII; STEP 2 COMPLETED.; [05] INSTALLED NEW WEB-INTERCOSTAL AND FASTENERS LOCATED AT BS 400 TO BS 420 AT STR 26L AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 DWG # 143A7505 REV -; [06] REPLACED WEB-INTERCOSTAL LOCATED AT BS 400 TO BS 420 AT STR 26L AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 SRM 51-10-02 ITEM 9 DWG # 143A7505 REV - MEASURES OF CRACK IS:0.508 TOOL USED CALIPER P/N 700-113-10 S/N 0023256 DUE DATE 14-SEP-21; [07] STEP 5 COMPLETED RII; [08] STEP 6 COMPLETED RII <BR>TASK CARD COMPLETED

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