Service difficulty report · Attach Angle · Boeing 73779P

Difficulty date
May 1, 2025
Submitted
June 2, 2025
Operation
Air carrier
Aircraft
N7860A
Make and model
Boeing 73779P
Aircraft serial
29362
Aircraft time
55,693 hours, 38,008 cycles
Part
Attach Angle
Condition
Cracked
Location
Zone 200
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

CRACK ATTACHED ANGLE AT THE MID CABIN BS 717 RBL 3<[01] UPDATED STEP 2.;[02] REMOVED AND REPLACED WITH NEW CRACK ATTACHED ANGLE AT THE MID CABIN BS 717 RBL 3. HFEC INSPECTED AREA IAW 737 NDTM PART 6; 51-00-00 PROCEDURE 23.<BR>CRACK NOTED. MARKED.<BR>EQUIP USED:<BR>-NORTEC 600 ID: ATS1465 CAL DUE: 07/2025. REMOVED ATTACHED ANGLE AT THE MID CABIN BS 717 RBL 3 PER SRM 51-40-02-0G-0. ANGLE FORMED; HEAT TREATED ON P.O# 857528/1. PO: 857528-SWA.<BR><BR>FABRICATED; LOCATED; DRILLED; DEBURRED NEW ATTACH ANGLE MID CABIN BS 717 RBL 3. (REF: DWG 273A9112 REV: -; 273A9111 REV: - ). APPLIED CHEMICAL CONVERSION COATING TO STRINGER CLIP PER SOPM 20-43-03<BR>APPLIED BMS10-11 PRIMER TO ATTACH ANGLE. PER AMM 51-21-72-370-804.INSTALLED ATTACH ANGLE AT THE MID CABIN BS 717 RBL 3 PER SRM 51-40-02; BOEING DWG# 273A9111 REV:-;[03] VERIFIED COMPLETION CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.

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