Service difficulty report · Web · Boeing 7377H4

Difficulty date
September 1, 2022
Submitted
October 10, 2022
Operation
Air carrier
Aircraft
N952WN
Make and model
Boeing 7377H4
Aircraft serial
36667
Aircraft time
39,061 hours, 23,816 cycles
Part
Web
Condition
Corroded
Location
Fwd Cargo
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 SUBTHRESHOLD WEB AT FWD CARGO BAY BS448- BS490 RBL24. / [01] VERIFIED APLICABILITY SRM 51-30-15-01-1 FOR IDENTIFICATION<BR>AND SRM 53-30-15-1A-1 FOR ALLOWABLE DAMAGE;[02] REMOVED CORROSION ON SUBTHRESHOLD WEB AT FCB BS460+5 RBL 24 IAW. SRM 51-10-02-0G-0. MAX. MATERIAL LOSS EVALUATED DAMAGE MEASURES L= 1.0' X W=.8' X D=0.003' REMAINING THICKNESS 0.042' ORIGINAL. THICKNESS 0.045' PER SRM 53-30-15-0I-1 IDENTIFICATION 1 . FOUND TO BE WITHIN LIMITS REWORKED AREA IAW SRM 53-30-15-1A-1 ALLOWABLE DAMAGE 1 . USED TOOL: ID:ATS2473 S/N: UNKNOWN DUE DATE: 08/2023. OK TO APPLY TREAT & PRIME;[03] INSPECTED ACTION 1;2. VERIFIED MEASUREMENT TABLE. OK TO TREAT AND PRIME;[04] APPLIED CHEMICAL COVERSION IAW SRM 51-20-01 AND PRIMER IAW SOPM 20-41-02<BR>TTG8Q00EJG37<BR><BR>REVOMAL AND INSTALLATION <BR>ACCOMPLISHED ON CARD AD ID: TTG8Q004D40T;[05] VERIFIED ACTION #4

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