SDR 2021F00263

Service difficulty report · Skin · Boeing 7878

Difficulty date
August 20, 2021
Submitted
September 18, 2021
Operation
General aviation
Aircraft
N105JS
Make and model
Boeing 7878
Aircraft serial
43709
Aircraft time
422 hours, 286 cycles
Part
Skin
Condition
Dented
Location
Bs 355 S17-18l
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

DURING TRANSIT CHECK, IT WAS DETECTED A DENT WITH NICK ON FUSELAGE SKIN. MAINTENANCE PERSONNEL PERFORMED A REVISION, DETECTING A DENT WITH NICK ON FUSELAGE SKIN LOCATED AT BSTA 355.9 AND BETWEEN STRINGER S-17L AND S-18L WITH 1.53" LENGTH, 1.00" WIDE AND 0.010" DIAMETER; DAMAGE ON FUSELAGE SKIN AT BSTA 355.9 AND BETWEEN S-17L AND S-18L WAS REMOVED IAW SRM 53-00-01, ALLOWABLE DAMAGE 1, PARAGRAPH 4.B.(2)(B), FIGURE 103, DETAIL C; ULTRASONIC THICKNESS MEASUREMENT AND HIGH FREQUENCY EDDY CURRENT INSPECTION ON REWORKED AREA WERE PERFORMED IAW SRM 53-00-01-1A-1, ALLOWABLE DAMAGE 1, FIGURE 103, DETAIL C AND B737 NDTM PART 4, 51-00-00 PROCEDURE 2 AND PART 6, 51-00-00 PROCEDURE 23; A CHEMICAL CONVERTION COATING WAS APPLIED IAW SRM 53-00-01, ALLOWABLE DAMAGE 1 PARAGRAPH 2.E.(1); A DECORATIVE FINISH WAS APPLIED IAW SRM 53-00-01, ALLOWABLE DAMAGE 1, PARAGRAPH 2.E.(4) AND AMM 51-21-99-300-802, ALL CORRECT.

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