Service difficulty report · Web · Boeing 7377H4

Difficulty date
August 6, 2021
Submitted
September 20, 2021
Operation
Air carrier
Aircraft
N410WN
Make and model
Boeing 7377H4
Aircraft serial
27897
Aircraft time
66,797 hours, 39,221 cycles
Part
Web
Condition
Cracked
Location
Bs 328-344 Lbl46
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 LOCATED BETWEEN BSTA 328 AND BSTA 344; LBL 46 AT FWD GALLEY AREA ; 2021-373094 / [01] REMOVED WEB LOCATED BETWEEN STA328 TO STA344 AND LBL 46 AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 DUE TO NOT FOUND ALLOWABLE DAMAGE ON SRM; WEB MUST BE REPLACED. PERFORMED VISUAL INSPECTION ON AREA AND NOT FOUND MORE DAMAGE.; [02] STEP 1 VERIFIED.; [03] DRILLER NEW WEB P/N 141A5410U16 IAW B737-700 SRM 51-40-05 AND APPLIED PROTECTIVE TREATMENT IAW B737-700 51-20-01; [04] DRILLER NEW WEB P/N 141A5410U16 IAW B737-700 SRM 51-40-05 AND APPLIED PROTECTIVE TREATMENT IAW B737-700 SRM 51-20-01; [05] STEP 4 COMPLETE <BR>RII ACCOMPLISHED; [06] OK TO INSTALL WEB LOCATED BETWEEN STA328 TO STA344 AND LBL 46 AT FWD GALLEY AREA GRANTED.; [07] STEP 6 COMPLETE RII OK TO INSTALL WEB GRANTED; [08] INSTALLED NEW WEB BETWEEN BSTA 328 AND BSTA 344; LBL 46 AT FWD GALLEY AREA I.A.W. B737-700 SRM 51-40-02 AND DWG 141A5400; SHEET 44; REV. -.; [09] STEP 8 VERIFIED. COMPLETED RII ITEM; [10] REPLACED WEB BETWEEN BSTA 328 AND BSTA 344; LBL 46 AT FWD GALLEY AREA I.A.W. B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A5400; SHEET 44; REV. -. PART USED: 141A5410U16 BATCH 201960219800101.; [11] REPLACED WEB BETWEEN BSTA 328 AND BSTA 344; LBL 46 AT FWD GALLEY AREA I.A.W. B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A5400; SHEET 44; REV. -. PART USED: 141A5410U16 BATCH 201960219800101. COMPLETED

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