Service difficulty report · Tie Down · Boeing 7377BD

Difficulty date
April 18, 2022
Submitted
May 10, 2022
Operation
Air carrier
Aircraft
N7736A
Make and model
Boeing 7377BD
Aircraft serial
35109
Aircraft time
50,096 hours, 25,534 cycles
Part
Tie Down
Part number
146A7501
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 ON AFT CARGO BAY TIE DOWN AT LBL 3 BS 867. / [01] REMOVED CORROSION ON CARGO TRACK ANCHOR POINT PER SRM 51-10-02-0G-0; BS 867; LBL3;WL165. BLEND MEASURES 1.8'L X 0.8'W X 0.008'D. ORIGINAL THICKNESS IS 0.!40' PER DWG 146A7501; SHT 3; VIEW 4C15 AND BAC 1520-1397. BLEND IS IN LIMITS PER SRM 53-00-53-1A-2; 4.B.(2) FIG. 103 DETAIL G. MICROMETER I.D. ATS1672; S/N 65092939. CAL DUE 03/2023.;[02] ORIGINAL MATERIAL THICKNESS IS ACTION 1 SHOULD READ 0.140'.;[03] VERIFIED CORRECTIVE ACTIONS 1-2.;[04] APPLIED CHEMICAL CONVERSION COATING TO BLEND AREA BS 867 PER AMM 51-21-41-370-802 AND APPLIED PRIMER PER AMM 51-21-72-370-804.;[05] VERIFIED CORRECTIVE ACTION STEP 4. TASK COMPLETE.;[06] UPDATED MEASUREMENT

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