Service difficulty report · Support · Boeing 7377H4

Difficulty date
June 13, 2022
Submitted
July 14, 2022
Operation
Air carrier
Aircraft
N488WN
Make and model
Boeing 7377H4
Aircraft serial
33853
Aircraft time
59,468 hours, 35,169 cycles
Part
Support
Condition
Corroded
Location
Aft 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 AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT LBL 21 BS 727E+14; BS 727E+18; BS 747+6; BS 747+8; BS 747+10; BS 747+14; BS 747+18; BS 767+6; BS 767+8; BS 767+14. / [01] VERIFY THE APPLICABILITY OF SRM 53-60-53-0I-2 AND SRM 53-00-53-1A-2;[02] UPDATED STEPS 1 - 10;[03] CORRECTED MEASUREMENTS AND STEP 4;[04] UPDATED STEPS 1 - 10;[05] THIS FAULT WILL BE ACCOMPLISHED ON CARD TTG8Q00CZUC7;[06] VERIFIED CORRECTIVE ACTION #5

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