Service difficulty report · Angle · Boeing 7377H4

Difficulty date
March 24, 2023
Submitted
April 17, 2023
Operation
Air carrier
Aircraft
N220WN
Make and model
Boeing 7377H4
Aircraft serial
32491
Aircraft time
58,003 hours, 34,631 cycles
Part
Angle
Condition
Cracked
Location
Zn 100 Fus Lower
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

FLOOR SUPPORT BETWEEN STA. 500D AND STA. 520; BL-0 UPPER ANGLE CRACKED.<[01] INSTALLED EWIS PROTECCION AT MAIN CABIN CENTER DRY AREA BETW. STA 500D THRU 520 FOR SHEETMETAL ANGLE REPLACEMENT PER B737-700 AMM 20-60-07-913-801;[02] VERIFIED STEP 1.;[03] INSTALLED FLOOR SUPPORT (ANGLE) AT MAIN CABIN CENTER AREA BETWEEN STA 500D THRU STA 520 BL-0 PER B737-700 SRM 51-40-02-0G-0;[04] REMOVED EWIS PROTECCION INSTALLED ON STEP #1 PER B737-700 AMM 20-60-07-913-801;[05] VERIFIED STEPS 3 AND 4.

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