SDR 2021F00179

Service difficulty report · Skin · Boeing 7379

Difficulty date
July 25, 2021
Submitted
August 23, 2021
Operation
General aviation
Make and model
Boeing 7379
Aircraft serial
43754
Aircraft time
285 hours, 158 cycles
Part
Skin
Condition
Dented
Location
Lt Nacelle
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

26.07.2021 21:36 SEVERAL DENTS IN LEFT ENGINE TRANSLATING SLEEVE OUTER SKIN. DURING TRANSIT CHECK, IT WAS DETECTED A DENT IN LEFT ENGINE TRANSLATING OUTER SKIN. MAINTENANCE PERSONNEL PERFORMED A REVISION, DETECTING DENT IN LEFT ENGINE TRANSLATING SLEEVE OUTER SKIN EDGE BAND ZONES 1, 2 AT 2.000" AND 8.750” OF LEADING EDGE T/R. THE WO´S 7666874, 7666943, 7667431 AND 7668838 WERE ISSUED TO REPAIR THE DAMAGES DETECTED; ULTRASONIC INSPECTIONS WERE PERFORMED IAW B737 NDTM PART 4, 51-00-01/-02/-05 AND MESSAGE BOEING NUMBER AMX-AMX-21-0313-01C; DENTS WERE EVALUATED AND FOUND ACCEPTABLE TO BE LEFT FOR 10 FLIGHT CYCLES IAW MESSAGE BOEING NUMBER AMX-AMX-21-0313-02B; DENTS WERE SEALED IAW MESSAGE BOEING NUMBER AMX-AMX-21-0313-03B AND SRM 54-30-01-1A-1, ALLOWABLE DAMAGE 1, PARAGRAPH 2.B.(4)(B)1), ALL CORRECT.

More about the Boeing 737-9