Service difficulty report · Skin · Boeing 7378

Difficulty date
September 29, 2023
Submitted
October 5, 2023
Operation
Air carrier
Aircraft
N8817L
Make and model
Boeing 7378
Aircraft serial
42537
Aircraft time
7,772 hours, 4,344 cycles
Part
Skin
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

HFEC FASTENER HOLE INSPECTIONS (TTG8Q00NPPFE; STEP 8) NOTED THREE (3EA) HOLES WITH CRACK INDICATIONS AT THE FOLLOWING LOCATIONS: 1) BS 440+6; STR 22L. 2) BS 440+1; STR 23L. 3) BS 420+13; STR 22L.<[01] OVERSIZED 3 EA HOLES AT FOLLOWING LOCATIONS: 1) BS 440+6; STR 22L. 2) BS 440+1; STR 23L. 3) BS 420+13; STR 22L PER SRM 53-00-01-2R-3. NO DEFECTS NOTED;[02] EDITED MEASUREMENT PARAMETERS;[03] ADDED RII LABOR ROW;[04] ACCOMPLISHED HFEC OPEN HOLES INSPECTION PER 737 NDT MANUAL PART 6 51-00-00 P16. NO DEFECTS NOTED.;[05] SIGNED OFF THE MEASUREMENT;[06] NDT HOLES NO DEFECTS NOTED PER SRM 53-00-01-2R-3 & 737 NDT MANUAL PART 6 51-00-00 P16

More about the Boeing 737-8