Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 24, 2021
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N420WN
Make and model
Boeing 7377H4
Aircraft serial
29825
Aircraft time
66,751 hours, 39,284 cycles
Part
Support
Condition
Broken
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

SUPPLEMENTAL INFORMATION: BROKEN KEEL BEAM SUPPORT STRUCTURE LOCATED BTW STA 540 TO STA 559 AT LOWER FUSELAGE ; 2021-435896 / [01] REMOVED SUPPORT (2 E/A) KEEL BEAM STRUCTURE LOCATED BTW STA 540 TO STA 559 AT LOWER FUSELAGE I.A.W B737-700 SRM 51-40-02 AND PERFORMED VISUAL INSPECTION ON AREA AND NOT FOUND DAMAGE; [02] STEP 1 CERTIFIED; [03] OK TO INSTALL SUPPORT (2 E/A) KEEL BEAM STRUCTURE LOCATED BTW STA 540 TO STA 559 AT LOWER FUSELAGE; [04] STEP 3 CERTIFIED; [05] INSTALLED NEW SUPPORT (2 E/A) KEEL BEAM STRUCTURE LOCATED BTW STA 540 TO STA 559 AT LOWER FUSELAGE SRM 51-40-02-0G-0; [06] STEP 5 CERTIFIED; [07] REPLACED NEW SUPPORT (2 E/A) KEEL BEAM STRUCTURE LOCATED BTW STA 540 TO STA 559 AT LOWER FUSELAGE SRM 51-40-02-0G-0.; [08] COMPLETE TASK CERTIFIED

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