# SDR DALA2026040102135

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2026
- Submitted: April 1, 2026
- Operation: Air carrier
- Aircraft: [N551NW](https://openairdocs.org/aircraft/N551NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26498
- Aircraft time: 62,980 hours, 27,951 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Bulb
- Condition: Not Seated
- Location: Zone 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: P
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026040102135

## Discrepancy

R1 EXIT LIGHT WILL NOT ILLUMINATE WHEN ARMED.   R & R R1 DOOR FWD & AFT GIRT BAR PROX SENSOR REF. AMM 25-66. SLIDE LIGHT BULB MODULE ASSY NOT FULLY SEATED IN SOCKET. INSP SOCKET, AND RE-SEATED MODULE. OPEN & CLOSED 1R DOOR AND ARM/DISARM SLIDE MULTIPLE TIMES. OPS CKS NML. (8572462) (AIRCRAFT WAS GROUNDED)

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