Service difficulty report · Frame · Boeing 757324

Difficulty date
November 27, 2019
Submitted
December 3, 2019
Operation
Air carrier
Aircraft
N75851
Make and model
Boeing 757324
Aircraft serial
32810
Aircraft time
56,247 hours, 18,420 cycles
Part
Frame
Part number
143N102431
Condition
Dented
Location
Bs 580
Stage of operation
IN
How discovered
V
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

B757-53-3-0492 DENT ON FWD CARGO FRAME UPPER FLANGE AT STA 580 B ETWEEN STR 23L AND 24L, RG1. REF ST-ENG N/R 0077707 CHECKED LIMITS TO DENT ON FRAME AT STA 580 BETWEEN S-23L AND S-2 4L; L-1.0", W=1.10" D=.025". OUT OF LIMITS IAW B757-300 ARM 53-0 0-07 AD1, FIG 101. REPAIRED FRAME IAW EC/RA NO. 5311-02321 PART 1 INTERIM REPAIR. INITIATED DIP TO ACCOMPLISH INSPECTION REQUIRE MENTS IAW EC/RA NO. 5311-02321 PART 2 INSPECTION REQUIREMENTS WORK ACCOMPLISHED BY V920993 INTITIATED DIP TO "ACCOMPLISH INSPECTION REQUIREMENTS ON OR BEFO RE THE AIRCRAFT REACHING 34900 TOTAL AIRCRAFT FLIGHT CYCLES. PLA NNING TO CONTACT ENGINEERING AFTER 27900 CYCLES BUT BEFORE 28900 CYCLES FOR THE INSPECTION REQUIREMENTS." REF. ECRA 5311-02321 PART 1 PARA 15. TOMC APPROVES FWD LOWER CARGO COMPART, STA 580 LH SIDE FRAME (P/N 143N1024-31), BETWEEN STR 23L AND STR 24L INTERIM REPAIR PER PART 1, INSPECTION PER PART 2 -TO BE DETERMINED BY ENGINEERING BEFORE AIRCRAFT REACHES NOTED THRESHOLD. MUST ACCOMPLISH INSPECTION REQUIREMENTS ON OR BEFORE THE AIRCRAFT REACHING 34,900 TOTAL AIRCRAFT FLIGHT CYCLES. TOMC-APPROVAL FROM SC1ELBYC COMMENT CONT : -PLANNING TO CONTACT ENGINEERING AFTER 27,900 CYCLES BUT BEFORE 28,900 CYCLES FOR THE INSP REQUIREMENTS.? REF ECRA 5311-02321 / NOTE: THIS IS A MAJOR REPAIR AND PER PART 3 IS CONSIDERED PERMANENT REPAIR PROVIDED THE STATED INSPECTION REQUIREMENTS ARE COMPLIED WITH. INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE.