Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 12, 2021
Submitted
August 2, 2021
Operation
Air carrier
Aircraft
N962WN
Make and model
Boeing 7377H4
Aircraft serial
36963
Aircraft time
33,006 hours, 20,057 cycles
Part
Support
Condition
Corroded
Location
Bs 727c
Stage of operation
IN
How discovered
V
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 BS727C+14-18 RBL 24 WL157 FLOOR TO SIDEWALL SUPPORT / [01] REMOVED ACB FLOOR TO SIDEWALL SUPPORT R/H FROM BS 727-767 RBL 24 WL 157 PER SRM 51-40-02.; [02] VERIFIED REMOVAL; [03] REMOVED CORROSION FROM FLOOR TO SIDEWALL SUPPORT AT BS 727C+14 RBL23 MEASURED 2'L X 1.2'W AND DEPTH OF 0.0055' ORIGINAL THICKNESS OF 0.040' FOUND OUT OF LIMITS PER SRM 53-00-53-1A-2; [04] OUT OF LIMITS; [05] VERIFIED REMOVED CORROSION FROM FLOOR TO SIDEWALL SUPPORT AT BS 727C+14 RBL23 MEASURED 2'L X 1.2'W AND DEPTH OF 0.0055' ORIGINAL THICKNESS OF 0.040' FOUND OUT OF LIMITS PER SRM 53-00-53-1A-2; [06] LOCATED; DRILLED; AND COUNTERSANK NEW FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-05-0G-0; SRM 51-40-08-0G-0; AND DWG 146A7502 REV:-; [07] MATERIAL BAC1496-377#7075T62 .040' LOT# 1459405-1 IAW SRM 53-60-53-01-2; [08] APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW SRM 51-20-01-0G-0 AND SOPM 20-41-02

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