Service difficulty report · Fitting · Boeing 73786J

Difficulty date
March 6, 2021
Submitted
June 22, 2021
Operation
Air carrier
Aircraft
N377AR
Make and model
Boeing 73786J
Aircraft serial
37753
Aircraft time
34,997 hours, 16,011 cycles
Part
Fitting
Condition
Worn
Location
Fwd Cargo Door
Stage of operation
IN
How discovered
O
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

DURING OVERNIGHT AND APPLICATION OF TASK CARD J3753-818-00-01(20) AT MEX, IT WAS DETECTED FWD RH STRUCTURE 2ND FITTING WORN LOWER ON FWD CARGO DOOR. MAINTENANCE PERSONNEL PERFORMED REVISION, CONFIRMING THE DAMAGE; SO THE DAMAGE WAS REMOVED IAW SRM 52-30-90-1A-1, ALLOWABLE DAMAGE 1, PARAGRAPH 4.D.(1), TABLE 101, FIGURE 102, DETAIL D; A DIRECT MEASUREMENT AND HFEC INSPECTION WERE PERFORMED ON REWORKED AREA IAW 737 NDTM PART 6; 51-00-00, PROCEDURE 23 WITH A MAXIMUM DEPTH WEAR OF 0.062", NO CRACKS WERE FOUND; A FLAP PEEN WAS ACCOMPLISHED IAW SRM 52-30-90-1A-1, ALLOWABLE DAMAGE 1, PARAGRAPH 2.C.(2); A CHEMICAL CONVERSION COATING WAS APPLIED IAW SOPM 20-43-03 AND SRM52-30-90-1A-1, ALLOWABLE DAMAGE 1, PARAGRAPH 4.D.(1), FIGURE 102, SHEET 5, DETAIL D WITHIN LIMITS; IT WAS APPLIED FINISH EXTERIOR DECORATIVE PAINT IAW AMM51-21-00/701, ALL CORRECT.

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