Service difficulty report · None · Boeing 7377BD

Difficulty date
August 27, 2022
Submitted
September 30, 2022
Operation
Air carrier
Aircraft
N555LV
Make and model
Boeing 7377BD
Aircraft serial
36726
Aircraft time
36,017 hours, 21,105 cycles
Part
None
Part number
146A812712
Condition
Corroded
Location
Aft Cargo Bay
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' AFT CARGO FLOOR STRUCTURE RH SIDEPLATE WL-155 RBL-21 BETWEEN STA 767-794 WITH CORROSION AROUND FASTENER HOLES / [01] FOUND EXFOLIATED CORROSION AT AFT CARGO FLOOR STRUCTURE RH SIDEPLATE[SHIELD] WL-155 RBL-21 BETWEEN STA 767-794 AROUND FASTENER HOLES OUT OF LIMITS PER REF B737-700 SRM 51-10-02-0G-0;[02] VERIFIED STEP 1 *OUT OF LIMITS- REQUIRE REPLACE **;[03] RECEIVED AND LOCATED AND DRILLED NEW SIDEPLATE (SHIELD) P/N:146A8127-12 AT AFT CARGO FLOOR STRUCTURE RH WL-155 RBL-21 BETWEEN STA 767-794 PER REF B737-700 SRM 51-40-05-0G-0.;[04] VERIFIED STEP 3.;[05] OK TO TREAT AND PRIME SIDEPLATE.;[06] TREATED AND PRIMED NEW FASTENER HOLES AT AFT CARGO FLOOR STRUCTURE RH SIDEPLATE WL-155 RBL-21 BETWEEN STA 767-794 PER REF AMM 51-21-72-370-804 AND AMM 51-21-41-370-804;[07] REFERENCE TASKCARD #TTG8Q004D6Q3 STEP 35 FOR INSTALLATION OF NEW SIDEPLATE (SHIELD) P/N:146A8127-12 AT AFT CARGO FLOOR STRUCTURE RH WL-155 RBL-21 BETWEEN STA 767-794.;[08] VERIFIED STEP 6.;[09] VERIFIED STEP 7.

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