Service difficulty report · Web · Boeing 7378H4

Difficulty date
October 19, 2019
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N8308K
Make and model
Boeing 7378H4
Aircraft serial
36682
Aircraft time
26,512 hours, 11,391 cycles
Part
Web
Part number
146A81236
Condition
Corroded
Location
Aft Cargo Thresh
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

AFT CARGO COMPARTMENT FLOOR STRUCTURE DOOR CUTOUT WEB AT STA 787+7' TO 847 RBL 26 WL156 CORRODED / REMOVED CORROSION ON AFT CARGO COMPARTMENT FLOOR STRUCTURE DOOR CUT OUT WEB STA 787+7' TO 847 RBL 26 WL156 IAW SRM 51-10-02-0G-0. VERIFIED LIMITS IAW SRM 53-60-15-1A-1. ORIGINAL THICKNESS 0.050'; REMAINING THICKNES 0.016'; LOSS OF 0.034' FOUND TO BE OUT OF LIMITS. REMOVED; VERFIRIED; AND REPLACED AFT CARGO DOOR LOWER SILL WEB IAW PL 146A8123 PART # 146A8123-6 ATAG CC3287; DWG 146A8123 SHEET 6 REV C; DWG 146A8340 SHEET 21 REV-; SRM 51-40-05-0G-0; SRM 51-40-02-0G-0. APPLIED CIC IAW AMM 51-21-91-620-802. AAR 36306 DUE 06/26/20

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