Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
July 5, 2023
Submitted
August 29, 2023
Operation
Air carrier
Aircraft
N297WN
Make and model
Boeing 7377H4
Aircraft serial
32542
Aircraft time
51,861 hours, 31,224 cycles
Part
Sidewall Support
Part number
UNKNOWN
Condition
Corroded
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

CORROSION AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE HAS MULTIPLE AREAS AROUND NUT PLATE HOLES BS727C+19' TO BS767 RBL22 WL156<[01] CORROSION DAMAGE ON ACB R/H FLOOR TO SIDEWALL SUPPORT PLATE BS727C+19' TO BS767; RBL22;WL156 WAS FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2. REMOVED AND REPLACED ACB R/H FLOOR TO SIDEWALL SUPPORT PLATE BS727+4' TO BS767; RBL22; WL156 PER DWGS 146A7500;146A0061 AND SRM 51-40-02-0G-0.;[02] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.

More about the Boeing 737-7H4