Service difficulty report · Shield · Boeing 7377H4

Difficulty date
November 29, 2021
Submitted
December 27, 2021
Operation
Air carrier
Aircraft
N455WN
Make and model
Boeing 7377H4
Aircraft serial
32462
Aircraft time
58,698 hours, 34,771 cycles
Part
Shield
Condition
Corroded
Location
Aft Cargo Bay
Stage of operation
UK
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- BS 787-787+7, RBL22 SUPPORT BELOW AFT CARGO DOOR FWD SHIELD CORRODED. REMOVED SUPPORT IAW SRM 51-40-02. REMOVED CORROSION ON AFT INTERCOSTAL WEB. REWORKED AREA AND FOUND WITHIN LIMITS IAW SRM 53-60-15-1A-1 STEP 4-G(2) (B) A FIGURE 103. APPLIED CHEMICAL CONVERSION COATING AND PRIMER ON INTERCOSTAL WEB IAW AMM 51-21-72-370-804, AND AMM 51-21-41-370-802. INSTALLED ACB INTERCOSTAL WEB IAW SRM 51-40-02-0G-0, AND DRAWING 146A8320.

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