Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 1, 2021
Submitted
July 26, 2021
Operation
Air carrier
Aircraft
N913WN
Make and model
Boeing 7377H4
Aircraft serial
29840
Aircraft time
43,304 hours, 26,170 cycles
Part
Support
Condition
Corroded
Location
Bs 727c
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 ON ACB R/H FLOOR-TO-SIDEWALL SUPPORT; BS 727C+14; RBL 21; WL 157 (MARKED) ; / [01] REMOVED CORROSION ON ACB R/H SIDEWALL SUPPORT AT BS 727C+14 RBL 21 WL 157; REWORKED AREA; L: 1.1' W: 0.600' ORIGINAL THICKNESS 0.040' REMOVED MAT. 0.009' REMAINING MAT. 0.031' FOUND TO BE OUT LIMIT IAW SRM 53-00-53-1A-2; TOOL ID: ATS1671 DUE DATE: 01/2022; [02] ACB R/H SIDEWALL SUPPORT AT BS 727C+14 RBL 21 WL 157 WILL BE REMOVED AND REPLACED ON FAULT TTG8Q005NKNY; [03] VERIFIED OUT OF LIMITS AND TO BE REPLACED ON FAULT# TTG8Q005NKNY

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