Service difficulty report · Support · Boeing 7377H4

Difficulty date
June 20, 2023
Submitted
July 28, 2023
Operation
Air carrier
Aircraft
N441WN
Make and model
Boeing 7377H4
Aircraft serial
29837
Aircraft time
66,664 hours, 39,529 cycles
Part
Support
Part number
UNKNOWN
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

MAIN CABIN CENTER AISLE FLOOR SUPPORT BREAK CRACKED @ RBL 1 STA 540 WL 208.1<[01] REMOVED AND REPLACED FLOOR SUPPORT AT MAIN CABIN CENTER RBL 1 STA 540 WL 208.1 AS PER B 737-700 SRM 51-40-02-0G-0 AND DWG # 143A5240;[02] VERIFIED FLOOR SUPPORT BREAK INSTALLED;[03] (AMENDING STEP 1) REMOVED AND REPLACED CRACKED FLOOR SUPPORT BREAK (-34 CHANNEL) AND REINSTALLED -11 STRAP AT MAIN CABIN CENTER RBL 1 STA 540 WL 208.1 AS PER B 737-700 SRM 51-40-02-0G-0; DWG #143A5240 AND DWG #143A0060.

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